{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Moderate" }, "category": "csaf_vex", "csaf_version": "2.0", "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "title": "NULL pointer dereference in process_tgs_req() in kdc/do_tgs_req.c via a FAST inner body that lacks server field", "tracking": { "current_release_date": "2026-07-28T07:07:01+00:00", "generator": { "date": "2026-07-28T07:07:01+00:00", "engine": { "name": "CSAF Generator", "version": "3.1.0" } }, "id": "CVE-2021-37750", "initial_release_date": "2021-08-19T00:00:00+00:00", "revision_history": [ { "date": "2026-07-28T07:07:01+00:00", "number": "1", "summary": "Last generated version" } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "category": "vendor", "name": "Red Hat", "branches": [ { "category": "product_name", "name": "Red Hat Enterprise Linux 6-els", "product": { "name": "Red Hat Enterprise Linux 6-els", "product_id": "rhel-6-els.els", "product_identification_helper": { "cpe": "cpe:/o:redhat:rhel_els:6" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux 7.9.z", "product": { "name": "Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::client", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7::client" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux 7.9.z", "product": { "name": "Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::computenode", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7::computenode" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux 7.9.z", "product": { "name": "Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::server", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7::server" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux 7.9.z", "product": { "name": "Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::workstation", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:7::workstation" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux 7.9.z", "product": { "name": "Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.els", "product_identification_helper": { "cpe": "cpe:/o:redhat:rhel_els:7" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux 8.4.0.z", "product": { "name": "Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos", "product_identification_helper": { "cpe": "cpe:/o:redhat:rhel_eus:8.4::baseos" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux 8.5", "product": { "name": "Red Hat Enterprise Linux 8.5", "product_id": "rhel-8.5.0", "product_identification_helper": { "cpe": "cpe:/a:redhat:enterprise_linux:8" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux 9.0", "product": { "name": "Red Hat Enterprise Linux 9.0", "product_id": "rhel-9.0", "product_identification_helper": { "cpe": "cpe:/a:redhat:enterprise_linux:9" } } }, { "category": "product_name", "name": "Red Hat Enterprise Linux 8.4.0.z", "product": { "name": "Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos", "product_identification_helper": { "cpe": "cpe:/o:redhat:enterprise_linux:8::baseos" } } }, { "category": "product_version", "name": "krb5", "product": { "name": "krb5", "product_id": "krb5", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5" } } }, { "category": "product_version", "name": "krb5", "product": { "name": "krb5", "product_id": "krb5-0:1.15.1-51.el7_9.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5@1.15.1-51.el7_9?arch=src&epoch=0" } } }, { "category": "product_version", "name": "krb5", "product": { "name": "krb5", "product_id": "krb5-0:1.18.2-8.3.el8_4", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5@1.18.2-8.3.el8_4?epoch=0" } } }, { "category": "product_version", "name": "krb5", "product": { "name": "krb5", "product_id": "krb5-0:1.18.2-8.3.el8_4.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5@1.18.2-8.3.el8_4?arch=src&epoch=0" } } }, { "category": "product_version", "name": "krb5-debuginfo", "product": { "name": "krb5-debuginfo", "product_id": "krb5-debuginfo", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-debuginfo" } } }, { "category": "product_version", "name": "krb5-debugsource", "product": { "name": "krb5-debugsource", "product_id": "krb5-debugsource", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-debugsource" } } }, { "category": "product_version", "name": "krb5-devel", "product": { "name": "krb5-devel", "product_id": "krb5-devel", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-devel" } } }, { "category": "product_version", "name": "krb5-devel-debuginfo", "product": { "name": "krb5-devel-debuginfo", "product_id": "krb5-devel-debuginfo", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-devel-debuginfo" } } }, { "category": "product_version", "name": "krb5-libs", "product": { "name": "krb5-libs", "product_id": "krb5-libs", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-libs" } } }, { "category": "product_version", "name": "krb5-libs", "product": { "name": "krb5-libs", "product_id": "krb5-libs-0:1.15.1-51.el7_9", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-libs@1.15.1-51.el7_9?epoch=0" } } }, { "category": "product_version", "name": "krb5-libs", "product": { "name": "krb5-libs", "product_id": "krb5-libs-0:1.18.2-8.3.el8_4", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-libs@1.18.2-8.3.el8_4?epoch=0" } } }, { "category": "product_version", "name": "krb5-libs-debuginfo", "product": { "name": "krb5-libs-debuginfo", "product_id": "krb5-libs-debuginfo", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-libs-debuginfo" } } }, { "category": "product_version", "name": "krb5-pkinit", "product": { "name": "krb5-pkinit", "product_id": "krb5-pkinit", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-pkinit" } } }, { "category": "product_version", "name": "krb5-pkinit", "product": { "name": "krb5-pkinit", "product_id": "krb5-pkinit-0:1.15.1-51.el7_9", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-pkinit@1.15.1-51.el7_9?epoch=0" } } }, { "category": "product_version", "name": "krb5-pkinit", "product": { "name": "krb5-pkinit", "product_id": "krb5-pkinit-0:1.18.2-8.3.el8_4", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-pkinit@1.18.2-8.3.el8_4?epoch=0" } } }, { "category": "product_version", "name": "krb5-pkinit-debuginfo", "product": { "name": "krb5-pkinit-debuginfo", "product_id": "krb5-pkinit-debuginfo", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-pkinit-debuginfo" } } }, { "category": "product_version", "name": "krb5-pkinit-openssl", "product": { "name": "krb5-pkinit-openssl", "product_id": "krb5-pkinit-openssl", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-pkinit-openssl" } } }, { "category": "product_version", "name": "krb5-server", "product": { "name": "krb5-server", "product_id": "krb5-server", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-server" } } }, { "category": "product_version", "name": "krb5-server", "product": { "name": "krb5-server", "product_id": "krb5-server-0:1.15.1-51.el7_9", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-server@1.15.1-51.el7_9?epoch=0" } } }, { "category": "product_version", "name": "krb5-server", "product": { "name": "krb5-server", "product_id": "krb5-server-0:1.18.2-8.3.el8_4", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-server@1.18.2-8.3.el8_4?epoch=0" } } }, { "category": "product_version", "name": "krb5-server-debuginfo", "product": { "name": "krb5-server-debuginfo", "product_id": "krb5-server-debuginfo", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-server-debuginfo" } } }, { "category": "product_version", "name": "krb5-server-ldap", "product": { "name": "krb5-server-ldap", "product_id": "krb5-server-ldap", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-server-ldap" } } }, { "category": "product_version", "name": "krb5-server-ldap", "product": { "name": "krb5-server-ldap", "product_id": "krb5-server-ldap-0:1.15.1-51.el7_9", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-server-ldap@1.15.1-51.el7_9?epoch=0" } } }, { "category": "product_version", "name": "krb5-server-ldap", "product": { "name": "krb5-server-ldap", "product_id": "krb5-server-ldap-0:1.18.2-8.3.el8_4", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-server-ldap@1.18.2-8.3.el8_4?epoch=0" } } }, { "category": "product_version", "name": "krb5-server-ldap-debuginfo", "product": { "name": "krb5-server-ldap-debuginfo", "product_id": "krb5-server-ldap-debuginfo", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-server-ldap-debuginfo" } } }, { "category": "product_version", "name": "krb5-workstation", "product": { "name": "krb5-workstation", "product_id": "krb5-workstation", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-workstation" } } }, { "category": "product_version", "name": "krb5-workstation", "product": { "name": "krb5-workstation", "product_id": "krb5-workstation-0:1.15.1-51.el7_9", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-workstation@1.15.1-51.el7_9?epoch=0" } } }, { "category": "product_version", "name": "krb5-workstation", "product": { "name": "krb5-workstation", "product_id": "krb5-workstation-0:1.18.2-8.3.el8_4", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-workstation@1.18.2-8.3.el8_4?epoch=0" } } }, { "category": "product_version", "name": "krb5-workstation-debuginfo", "product": { "name": "krb5-workstation-debuginfo", "product_id": "krb5-workstation-debuginfo", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5-workstation-debuginfo" } } }, { "category": "product_version", "name": "krb5", "product": { "name": "krb5", "product_id": "krb5.src", "product_identification_helper": { "purl": "pkg:rpm/redhat/krb5?arch=src" } } }, { "category": "product_version", "name": "libkadm5", "product": { "name": "libkadm5", "product_id": "libkadm5", "product_identification_helper": { "purl": "pkg:rpm/redhat/libkadm5" } } }, { "category": "product_version", "name": "libkadm5", "product": { "name": "libkadm5", "product_id": "libkadm5-0:1.15.1-51.el7_9", "product_identification_helper": { "purl": "pkg:rpm/redhat/libkadm5@1.15.1-51.el7_9?epoch=0" } } }, { "category": "product_version", "name": "libkadm5", "product": { "name": "libkadm5", "product_id": "libkadm5-0:1.18.2-8.3.el8_4", "product_identification_helper": { "purl": "pkg:rpm/redhat/libkadm5@1.18.2-8.3.el8_4?epoch=0" } } }, { "category": "product_version", "name": "libkadm5-debuginfo", "product": { "name": "libkadm5-debuginfo", "product_id": "libkadm5-debuginfo", "product_identification_helper": { "purl": "pkg:rpm/redhat/libkadm5-debuginfo" } } } ] } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "krb5 as a component of Red Hat Enterprise Linux 6-els", "product_id": "rhel-6-els.els:krb5" }, "product_reference": "krb5", "relates_to_product_reference": "rhel-6-els.els" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-0:1.15.1-51.el7_9.src as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::computenode:krb5-0:1.15.1-51.el7_9.src" }, "product_reference": "krb5-0:1.15.1-51.el7_9.src", "relates_to_product_reference": "rhel-7.9.z::computenode" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-0:1.15.1-51.el7_9.src as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::server:krb5-0:1.15.1-51.el7_9.src" }, "product_reference": "krb5-0:1.15.1-51.el7_9.src", "relates_to_product_reference": "rhel-7.9.z::server" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-0:1.15.1-51.el7_9.src as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::workstation:krb5-0:1.15.1-51.el7_9.src" }, "product_reference": "krb5-0:1.15.1-51.el7_9.src", "relates_to_product_reference": "rhel-7.9.z::workstation" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-0:1.15.1-51.el7_9.src as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::client:krb5-0:1.15.1-51.el7_9.src" }, "product_reference": "krb5-0:1.15.1-51.el7_9.src", "relates_to_product_reference": "rhel-7.9.z::client" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-0:1.18.2-8.3.el8_4 as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:krb5-0:1.18.2-8.3.el8_4" }, "product_reference": "krb5-0:1.18.2-8.3.el8_4", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-0:1.18.2-8.3.el8_4.src as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:krb5-0:1.18.2-8.3.el8_4.src" }, "product_reference": "krb5-0:1.18.2-8.3.el8_4.src", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-debuginfo as a component of Red Hat Enterprise Linux 6-els", "product_id": "rhel-6-els.els:krb5-debuginfo" }, "product_reference": "krb5-debuginfo", "relates_to_product_reference": "rhel-6-els.els" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-debuginfo as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::workstation:krb5-debuginfo" }, "product_reference": "krb5-debuginfo", "relates_to_product_reference": "rhel-7.9.z::workstation" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-debuginfo as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::computenode:krb5-debuginfo" }, "product_reference": "krb5-debuginfo", "relates_to_product_reference": "rhel-7.9.z::computenode" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-debuginfo as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::server:krb5-debuginfo" }, "product_reference": "krb5-debuginfo", "relates_to_product_reference": "rhel-7.9.z::server" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-debuginfo as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::client:krb5-debuginfo" }, "product_reference": "krb5-debuginfo", "relates_to_product_reference": "rhel-7.9.z::client" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-debuginfo as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:krb5-debuginfo" }, "product_reference": "krb5-debuginfo", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-debuginfo as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:krb5-debuginfo" }, "product_reference": "krb5-debuginfo", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-debugsource as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:krb5-debugsource" }, "product_reference": "krb5-debugsource", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-debugsource as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:krb5-debugsource" }, "product_reference": "krb5-debugsource", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-devel as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.els:krb5-devel" }, "product_reference": "krb5-devel", "relates_to_product_reference": "rhel-7.els" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-devel as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::server:krb5-devel" }, "product_reference": "krb5-devel", "relates_to_product_reference": "rhel-7.9.z::server" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-devel as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:krb5-devel" }, "product_reference": "krb5-devel", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-devel as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:krb5-devel" }, "product_reference": "krb5-devel", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-devel as a component of Red Hat Enterprise Linux 6-els", "product_id": "rhel-6-els.els:krb5-devel" }, "product_reference": "krb5-devel", "relates_to_product_reference": "rhel-6-els.els" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-devel as a component of Red Hat Enterprise Linux 9.0", "product_id": "rhel-9.0:krb5-devel" }, "product_reference": "krb5-devel", "relates_to_product_reference": "rhel-9.0" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-devel as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::workstation:krb5-devel" }, "product_reference": "krb5-devel", "relates_to_product_reference": "rhel-7.9.z::workstation" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-devel-debuginfo as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:krb5-devel-debuginfo" }, "product_reference": "krb5-devel-debuginfo", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-devel-debuginfo as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:krb5-devel-debuginfo" }, "product_reference": "krb5-devel-debuginfo", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-libs as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.els:krb5-libs" }, "product_reference": "krb5-libs", "relates_to_product_reference": "rhel-7.els" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-libs as a component of Red Hat Enterprise Linux 6-els", "product_id": "rhel-6-els.els:krb5-libs" }, "product_reference": "krb5-libs", "relates_to_product_reference": "rhel-6-els.els" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-libs-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::workstation:krb5-libs-0:1.15.1-51.el7_9" }, "product_reference": "krb5-libs-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::workstation" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-libs-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::computenode:krb5-libs-0:1.15.1-51.el7_9" }, "product_reference": "krb5-libs-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::computenode" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-libs-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::server:krb5-libs-0:1.15.1-51.el7_9" }, "product_reference": "krb5-libs-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::server" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-libs-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::client:krb5-libs-0:1.15.1-51.el7_9" }, "product_reference": "krb5-libs-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::client" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-libs-0:1.18.2-8.3.el8_4 as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:krb5-libs-0:1.18.2-8.3.el8_4" }, "product_reference": "krb5-libs-0:1.18.2-8.3.el8_4", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-libs-0:1.18.2-8.3.el8_4 as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:krb5-libs-0:1.18.2-8.3.el8_4" }, "product_reference": "krb5-libs-0:1.18.2-8.3.el8_4", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-libs-debuginfo as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:krb5-libs-debuginfo" }, "product_reference": "krb5-libs-debuginfo", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-libs-debuginfo as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:krb5-libs-debuginfo" }, "product_reference": "krb5-libs-debuginfo", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-pkinit as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.els:krb5-pkinit" }, "product_reference": "krb5-pkinit", "relates_to_product_reference": "rhel-7.els" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-pkinit-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::workstation:krb5-pkinit-0:1.15.1-51.el7_9" }, "product_reference": "krb5-pkinit-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::workstation" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-pkinit-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::computenode:krb5-pkinit-0:1.15.1-51.el7_9" }, "product_reference": "krb5-pkinit-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::computenode" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-pkinit-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::server:krb5-pkinit-0:1.15.1-51.el7_9" }, "product_reference": "krb5-pkinit-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::server" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-pkinit-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::client:krb5-pkinit-0:1.15.1-51.el7_9" }, "product_reference": "krb5-pkinit-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::client" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-pkinit-0:1.18.2-8.3.el8_4 as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:krb5-pkinit-0:1.18.2-8.3.el8_4" }, "product_reference": "krb5-pkinit-0:1.18.2-8.3.el8_4", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-pkinit-0:1.18.2-8.3.el8_4 as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:krb5-pkinit-0:1.18.2-8.3.el8_4" }, "product_reference": "krb5-pkinit-0:1.18.2-8.3.el8_4", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-pkinit-debuginfo as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:krb5-pkinit-debuginfo" }, "product_reference": "krb5-pkinit-debuginfo", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-pkinit-debuginfo as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:krb5-pkinit-debuginfo" }, "product_reference": "krb5-pkinit-debuginfo", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-pkinit-openssl as a component of Red Hat Enterprise Linux 6-els", "product_id": "rhel-6-els.els:krb5-pkinit-openssl" }, "product_reference": "krb5-pkinit-openssl", "relates_to_product_reference": "rhel-6-els.els" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-server as a component of Red Hat Enterprise Linux 6-els", "product_id": "rhel-6-els.els:krb5-server" }, "product_reference": "krb5-server", "relates_to_product_reference": "rhel-6-els.els" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-server as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.els:krb5-server" }, "product_reference": "krb5-server", "relates_to_product_reference": "rhel-7.els" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-server-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::workstation:krb5-server-0:1.15.1-51.el7_9" }, "product_reference": "krb5-server-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::workstation" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-server-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::server:krb5-server-0:1.15.1-51.el7_9" }, "product_reference": "krb5-server-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::server" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-server-0:1.18.2-8.3.el8_4 as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:krb5-server-0:1.18.2-8.3.el8_4" }, "product_reference": "krb5-server-0:1.18.2-8.3.el8_4", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-server-0:1.18.2-8.3.el8_4 as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:krb5-server-0:1.18.2-8.3.el8_4" }, "product_reference": "krb5-server-0:1.18.2-8.3.el8_4", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-server-debuginfo as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:krb5-server-debuginfo" }, "product_reference": "krb5-server-debuginfo", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-server-debuginfo as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:krb5-server-debuginfo" }, "product_reference": "krb5-server-debuginfo", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-server-ldap as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.els:krb5-server-ldap" }, "product_reference": "krb5-server-ldap", "relates_to_product_reference": "rhel-7.els" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-server-ldap as a component of Red Hat Enterprise Linux 6-els", "product_id": "rhel-6-els.els:krb5-server-ldap" }, "product_reference": "krb5-server-ldap", "relates_to_product_reference": "rhel-6-els.els" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-server-ldap-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::server:krb5-server-ldap-0:1.15.1-51.el7_9" }, "product_reference": "krb5-server-ldap-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::server" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-server-ldap-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::workstation:krb5-server-ldap-0:1.15.1-51.el7_9" }, "product_reference": "krb5-server-ldap-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::workstation" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-server-ldap-0:1.18.2-8.3.el8_4 as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:krb5-server-ldap-0:1.18.2-8.3.el8_4" }, "product_reference": "krb5-server-ldap-0:1.18.2-8.3.el8_4", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-server-ldap-0:1.18.2-8.3.el8_4 as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:krb5-server-ldap-0:1.18.2-8.3.el8_4" }, "product_reference": "krb5-server-ldap-0:1.18.2-8.3.el8_4", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-server-ldap-debuginfo as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:krb5-server-ldap-debuginfo" }, "product_reference": "krb5-server-ldap-debuginfo", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-server-ldap-debuginfo as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:krb5-server-ldap-debuginfo" }, "product_reference": "krb5-server-ldap-debuginfo", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-workstation as a component of Red Hat Enterprise Linux 6-els", "product_id": "rhel-6-els.els:krb5-workstation" }, "product_reference": "krb5-workstation", "relates_to_product_reference": "rhel-6-els.els" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-workstation as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.els:krb5-workstation" }, "product_reference": "krb5-workstation", "relates_to_product_reference": "rhel-7.els" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-workstation-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::workstation:krb5-workstation-0:1.15.1-51.el7_9" }, "product_reference": "krb5-workstation-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::workstation" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-workstation-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::client:krb5-workstation-0:1.15.1-51.el7_9" }, "product_reference": "krb5-workstation-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::client" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-workstation-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::computenode:krb5-workstation-0:1.15.1-51.el7_9" }, "product_reference": "krb5-workstation-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::computenode" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-workstation-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::server:krb5-workstation-0:1.15.1-51.el7_9" }, "product_reference": "krb5-workstation-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::server" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-workstation-0:1.18.2-8.3.el8_4 as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:krb5-workstation-0:1.18.2-8.3.el8_4" }, "product_reference": "krb5-workstation-0:1.18.2-8.3.el8_4", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-workstation-0:1.18.2-8.3.el8_4 as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:krb5-workstation-0:1.18.2-8.3.el8_4" }, "product_reference": "krb5-workstation-0:1.18.2-8.3.el8_4", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-workstation-debuginfo as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:krb5-workstation-debuginfo" }, "product_reference": "krb5-workstation-debuginfo", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5-workstation-debuginfo as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:krb5-workstation-debuginfo" }, "product_reference": "krb5-workstation-debuginfo", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "krb5.src as a component of Red Hat Enterprise Linux 8.5", "product_id": "rhel-8.5.0:krb5.src" }, "product_reference": "krb5.src", "relates_to_product_reference": "rhel-8.5.0" }, { "category": "default_component_of", "full_product_name": { "name": "krb5.src as a component of Red Hat Enterprise Linux 6-els", "product_id": "rhel-6-els.els:krb5.src" }, "product_reference": "krb5.src", "relates_to_product_reference": "rhel-6-els.els" }, { "category": "default_component_of", "full_product_name": { "name": "krb5.src as a component of Red Hat Enterprise Linux 9.0", "product_id": "rhel-9.0:krb5.src" }, "product_reference": "krb5.src", "relates_to_product_reference": "rhel-9.0" }, { "category": "default_component_of", "full_product_name": { "name": "krb5.src as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.els:krb5.src" }, "product_reference": "krb5.src", "relates_to_product_reference": "rhel-7.els" }, { "category": "default_component_of", "full_product_name": { "name": "libkadm5 as a component of Red Hat Enterprise Linux 6-els", "product_id": "rhel-6-els.els:libkadm5" }, "product_reference": "libkadm5", "relates_to_product_reference": "rhel-6-els.els" }, { "category": "default_component_of", "full_product_name": { "name": "libkadm5 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.els:libkadm5" }, "product_reference": "libkadm5", "relates_to_product_reference": "rhel-7.els" }, { "category": "default_component_of", "full_product_name": { "name": "libkadm5-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::workstation:libkadm5-0:1.15.1-51.el7_9" }, "product_reference": "libkadm5-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::workstation" }, { "category": "default_component_of", "full_product_name": { "name": "libkadm5-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::computenode:libkadm5-0:1.15.1-51.el7_9" }, "product_reference": "libkadm5-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::computenode" }, { "category": "default_component_of", "full_product_name": { "name": "libkadm5-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::server:libkadm5-0:1.15.1-51.el7_9" }, "product_reference": "libkadm5-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::server" }, { "category": "default_component_of", "full_product_name": { "name": "libkadm5-0:1.15.1-51.el7_9 as a component of Red Hat Enterprise Linux 7.9.z", "product_id": "rhel-7.9.z::client:libkadm5-0:1.15.1-51.el7_9" }, "product_reference": "libkadm5-0:1.15.1-51.el7_9", "relates_to_product_reference": "rhel-7.9.z::client" }, { "category": "default_component_of", "full_product_name": { "name": "libkadm5-0:1.18.2-8.3.el8_4 as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:libkadm5-0:1.18.2-8.3.el8_4" }, "product_reference": "libkadm5-0:1.18.2-8.3.el8_4", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "libkadm5-0:1.18.2-8.3.el8_4 as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:libkadm5-0:1.18.2-8.3.el8_4" }, "product_reference": "libkadm5-0:1.18.2-8.3.el8_4", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "libkadm5-debuginfo as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-br-8.4.0.z::baseos:libkadm5-debuginfo" }, "product_reference": "libkadm5-debuginfo", "relates_to_product_reference": "rhel-br-8.4.0.z::baseos" }, { "category": "default_component_of", "full_product_name": { "name": "libkadm5-debuginfo as a component of Red Hat Enterprise Linux 8.4.0.z", "product_id": "rhel-8.4.0.z.eus::baseos:libkadm5-debuginfo" }, "product_reference": "libkadm5-debuginfo", "relates_to_product_reference": "rhel-8.4.0.z.eus::baseos" } ] }, "vulnerabilities": [ { "cve": "CVE-2021-37750", "cwe": { "id": "CWE-476", "name": "NULL Pointer Dereference" }, "discovery_date": "2021-08-21T00:00:00+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "rhel-6-els.els:krb5", "rhel-6-els.els:krb5-debuginfo", "rhel-6-els.els:krb5-devel", "rhel-6-els.els:krb5-libs", "rhel-6-els.els:krb5-pkinit-openssl", "rhel-6-els.els:krb5-server", "rhel-6-els.els:krb5-server-ldap", "rhel-6-els.els:krb5-workstation", "rhel-6-els.els:krb5.src", "rhel-6-els.els:libkadm5", "rhel-7.9.z::client:krb5-debuginfo", "rhel-7.9.z::computenode:krb5-debuginfo", "rhel-7.9.z::server:krb5-debuginfo", "rhel-7.9.z::server:krb5-devel", "rhel-7.9.z::workstation:krb5-debuginfo", "rhel-7.9.z::workstation:krb5-devel", "rhel-7.els:krb5-devel", "rhel-8.4.0.z.eus::baseos:krb5-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-debugsource", "rhel-8.4.0.z.eus::baseos:krb5-devel", "rhel-8.4.0.z.eus::baseos:krb5-devel-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-libs-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-pkinit-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-server-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-server-ldap-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-workstation-debuginfo", "rhel-8.4.0.z.eus::baseos:libkadm5-debuginfo", "rhel-8.5.0:krb5.src", "rhel-9.0:krb5-devel", "rhel-br-8.4.0.z::baseos:krb5-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-debugsource", "rhel-br-8.4.0.z::baseos:krb5-devel", "rhel-br-8.4.0.z::baseos:krb5-devel-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-libs-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-pkinit-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-server-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-server-ldap-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-workstation-debuginfo", "rhel-br-8.4.0.z::baseos:libkadm5-debuginfo" ] } ], "notes": [ { "category": "description", "text": "A flaw was found in krb5. The Key Distribution Center (KDC) in MIT Kerberos 5 has a NULL pointer dereference via a FAST inner body that lacks a server field. An authenticated attacker could use this flaw to crash the Kerberos KDC server. The highest threat from this vulnerability is to system availability.", "title": "Vulnerability description" } ], "product_status": { "fixed": [ "rhel-7.9.z::client:krb5-0:1.15.1-51.el7_9.src", "rhel-7.9.z::client:krb5-libs-0:1.15.1-51.el7_9", "rhel-7.9.z::client:krb5-pkinit-0:1.15.1-51.el7_9", "rhel-7.9.z::client:krb5-workstation-0:1.15.1-51.el7_9", "rhel-7.9.z::client:libkadm5-0:1.15.1-51.el7_9", "rhel-7.9.z::computenode:krb5-0:1.15.1-51.el7_9.src", "rhel-7.9.z::computenode:krb5-libs-0:1.15.1-51.el7_9", "rhel-7.9.z::computenode:krb5-pkinit-0:1.15.1-51.el7_9", "rhel-7.9.z::computenode:krb5-workstation-0:1.15.1-51.el7_9", "rhel-7.9.z::computenode:libkadm5-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-0:1.15.1-51.el7_9.src", "rhel-7.9.z::server:krb5-libs-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-pkinit-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-server-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-server-ldap-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-workstation-0:1.15.1-51.el7_9", "rhel-7.9.z::server:libkadm5-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-0:1.15.1-51.el7_9.src", "rhel-7.9.z::workstation:krb5-libs-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-pkinit-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-server-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-server-ldap-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-workstation-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:libkadm5-0:1.15.1-51.el7_9", "rhel-8.4.0.z.eus::baseos:krb5-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-libs-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-pkinit-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-server-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-server-ldap-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-workstation-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:libkadm5-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-0:1.18.2-8.3.el8_4.src", "rhel-br-8.4.0.z::baseos:krb5-libs-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-pkinit-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-server-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-server-ldap-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-workstation-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:libkadm5-0:1.18.2-8.3.el8_4" ], "known_affected": [ "rhel-7.els:krb5-libs", "rhel-7.els:krb5-pkinit", "rhel-7.els:krb5-server", "rhel-7.els:krb5-server-ldap", "rhel-7.els:krb5-workstation", "rhel-7.els:krb5.src", "rhel-7.els:libkadm5", "rhel-9.0:krb5.src" ], "known_not_affected": [ "rhel-6-els.els:krb5", "rhel-6-els.els:krb5-debuginfo", "rhel-6-els.els:krb5-devel", "rhel-6-els.els:krb5-libs", "rhel-6-els.els:krb5-pkinit-openssl", "rhel-6-els.els:krb5-server", "rhel-6-els.els:krb5-server-ldap", "rhel-6-els.els:krb5-workstation", "rhel-6-els.els:krb5.src", "rhel-6-els.els:libkadm5", "rhel-7.9.z::client:krb5-debuginfo", "rhel-7.9.z::computenode:krb5-debuginfo", "rhel-7.9.z::server:krb5-debuginfo", "rhel-7.9.z::server:krb5-devel", "rhel-7.9.z::workstation:krb5-debuginfo", "rhel-7.9.z::workstation:krb5-devel", "rhel-7.els:krb5-devel", "rhel-8.4.0.z.eus::baseos:krb5-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-debugsource", "rhel-8.4.0.z.eus::baseos:krb5-devel", "rhel-8.4.0.z.eus::baseos:krb5-devel-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-libs-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-pkinit-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-server-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-server-ldap-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-workstation-debuginfo", "rhel-8.4.0.z.eus::baseos:libkadm5-debuginfo", "rhel-8.5.0:krb5.src", "rhel-9.0:krb5-devel", "rhel-br-8.4.0.z::baseos:krb5-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-debugsource", "rhel-br-8.4.0.z::baseos:krb5-devel", "rhel-br-8.4.0.z::baseos:krb5-devel-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-libs-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-pkinit-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-server-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-server-ldap-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-workstation-debuginfo", "rhel-br-8.4.0.z::baseos:libkadm5-debuginfo" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2021-37750" }, { "category": "external", "summary": "nvd.nist.gov", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-37750" }, { "category": "external", "summary": "www.cve.org", "url": "https://www.cve.org/CVERecord?id=CVE-2021-37750" } ], "remediations": [ { "category": "none_available", "details": "Affected", "product_ids": [ "rhel-7.els:krb5-libs", "rhel-7.els:krb5-pkinit", "rhel-7.els:krb5-server", "rhel-7.els:krb5-server-ldap", "rhel-7.els:krb5-workstation", "rhel-7.els:krb5.src", "rhel-7.els:libkadm5", "rhel-9.0:krb5.src" ] }, { "category": "vendor_fix", "date": "2021-09-21T11:02:51+00:00", "details": "Apply advisory RHSA-2021:3576 as per vendors instructions.", "product_ids": [ "rhel-8.4.0.z.eus::baseos:krb5-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-libs-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-pkinit-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-server-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-server-ldap-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-workstation-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:libkadm5-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-0:1.18.2-8.3.el8_4.src", "rhel-br-8.4.0.z::baseos:krb5-libs-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-pkinit-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-server-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-server-ldap-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-workstation-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:libkadm5-0:1.18.2-8.3.el8_4" ], "url": "https://access.redhat.com/errata/RHSA-2021:3576" }, { "category": "vendor_fix", "date": "2021-11-23T17:24:49+00:00", "details": "Apply advisory RHSA-2021:4788 as per vendors instructions.", "product_ids": [ "rhel-7.9.z::client:krb5-0:1.15.1-51.el7_9.src", "rhel-7.9.z::client:krb5-libs-0:1.15.1-51.el7_9", "rhel-7.9.z::client:krb5-pkinit-0:1.15.1-51.el7_9", "rhel-7.9.z::client:krb5-workstation-0:1.15.1-51.el7_9", "rhel-7.9.z::client:libkadm5-0:1.15.1-51.el7_9", "rhel-7.9.z::computenode:krb5-0:1.15.1-51.el7_9.src", "rhel-7.9.z::computenode:krb5-libs-0:1.15.1-51.el7_9", "rhel-7.9.z::computenode:krb5-pkinit-0:1.15.1-51.el7_9", "rhel-7.9.z::computenode:krb5-workstation-0:1.15.1-51.el7_9", "rhel-7.9.z::computenode:libkadm5-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-0:1.15.1-51.el7_9.src", "rhel-7.9.z::server:krb5-libs-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-pkinit-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-server-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-server-ldap-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-workstation-0:1.15.1-51.el7_9", "rhel-7.9.z::server:libkadm5-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-0:1.15.1-51.el7_9.src", "rhel-7.9.z::workstation:krb5-libs-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-pkinit-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-server-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-server-ldap-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-workstation-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:libkadm5-0:1.15.1-51.el7_9" ], "url": "https://access.redhat.com/errata/RHSA-2021:4788" } ], "scores": [ { "cvss_v3": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "baseScore": 6.5, "baseSeverity": "MEDIUM" }, "products": [ "rhel-6-els.els:krb5", "rhel-6-els.els:krb5-debuginfo", "rhel-6-els.els:krb5-devel", "rhel-6-els.els:krb5-libs", "rhel-6-els.els:krb5-pkinit-openssl", "rhel-6-els.els:krb5-server", "rhel-6-els.els:krb5-server-ldap", "rhel-6-els.els:krb5-workstation", "rhel-6-els.els:krb5.src", "rhel-6-els.els:libkadm5", "rhel-7.9.z::client:krb5-0:1.15.1-51.el7_9.src", "rhel-7.9.z::client:krb5-debuginfo", "rhel-7.9.z::client:krb5-libs-0:1.15.1-51.el7_9", "rhel-7.9.z::client:krb5-pkinit-0:1.15.1-51.el7_9", "rhel-7.9.z::client:krb5-workstation-0:1.15.1-51.el7_9", "rhel-7.9.z::client:libkadm5-0:1.15.1-51.el7_9", "rhel-7.9.z::computenode:krb5-0:1.15.1-51.el7_9.src", "rhel-7.9.z::computenode:krb5-debuginfo", "rhel-7.9.z::computenode:krb5-libs-0:1.15.1-51.el7_9", "rhel-7.9.z::computenode:krb5-pkinit-0:1.15.1-51.el7_9", "rhel-7.9.z::computenode:krb5-workstation-0:1.15.1-51.el7_9", "rhel-7.9.z::computenode:libkadm5-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-0:1.15.1-51.el7_9.src", "rhel-7.9.z::server:krb5-debuginfo", "rhel-7.9.z::server:krb5-devel", "rhel-7.9.z::server:krb5-libs-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-pkinit-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-server-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-server-ldap-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-workstation-0:1.15.1-51.el7_9", "rhel-7.9.z::server:libkadm5-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-0:1.15.1-51.el7_9.src", "rhel-7.9.z::workstation:krb5-debuginfo", "rhel-7.9.z::workstation:krb5-devel", "rhel-7.9.z::workstation:krb5-libs-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-pkinit-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-server-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-server-ldap-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-workstation-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:libkadm5-0:1.15.1-51.el7_9", "rhel-7.els:krb5-devel", "rhel-7.els:krb5-libs", "rhel-7.els:krb5-pkinit", "rhel-7.els:krb5-server", "rhel-7.els:krb5-server-ldap", "rhel-7.els:krb5-workstation", "rhel-7.els:krb5.src", "rhel-7.els:libkadm5", "rhel-8.4.0.z.eus::baseos:krb5-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-debugsource", "rhel-8.4.0.z.eus::baseos:krb5-devel", "rhel-8.4.0.z.eus::baseos:krb5-devel-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-libs-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-libs-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-pkinit-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-pkinit-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-server-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-server-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-server-ldap-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-server-ldap-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-workstation-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-workstation-debuginfo", "rhel-8.4.0.z.eus::baseos:libkadm5-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:libkadm5-debuginfo", "rhel-8.5.0:krb5.src", "rhel-9.0:krb5-devel", "rhel-9.0:krb5.src", "rhel-br-8.4.0.z::baseos:krb5-0:1.18.2-8.3.el8_4.src", "rhel-br-8.4.0.z::baseos:krb5-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-debugsource", "rhel-br-8.4.0.z::baseos:krb5-devel", "rhel-br-8.4.0.z::baseos:krb5-devel-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-libs-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-libs-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-pkinit-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-pkinit-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-server-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-server-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-server-ldap-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-server-ldap-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-workstation-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-workstation-debuginfo", "rhel-br-8.4.0.z::baseos:libkadm5-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:libkadm5-debuginfo" ] } ], "threats": [ { "category": "impact", "details": "Moderate", "product_ids": [ "rhel-6-els.els:krb5", "rhel-6-els.els:krb5-debuginfo", "rhel-6-els.els:krb5-devel", "rhel-6-els.els:krb5-libs", "rhel-6-els.els:krb5-pkinit-openssl", "rhel-6-els.els:krb5-server", "rhel-6-els.els:krb5-server-ldap", "rhel-6-els.els:krb5-workstation", "rhel-6-els.els:krb5.src", "rhel-6-els.els:libkadm5", "rhel-7.9.z::client:krb5-0:1.15.1-51.el7_9.src", "rhel-7.9.z::client:krb5-debuginfo", "rhel-7.9.z::client:krb5-libs-0:1.15.1-51.el7_9", "rhel-7.9.z::client:krb5-pkinit-0:1.15.1-51.el7_9", "rhel-7.9.z::client:krb5-workstation-0:1.15.1-51.el7_9", "rhel-7.9.z::client:libkadm5-0:1.15.1-51.el7_9", "rhel-7.9.z::computenode:krb5-0:1.15.1-51.el7_9.src", "rhel-7.9.z::computenode:krb5-debuginfo", "rhel-7.9.z::computenode:krb5-libs-0:1.15.1-51.el7_9", "rhel-7.9.z::computenode:krb5-pkinit-0:1.15.1-51.el7_9", "rhel-7.9.z::computenode:krb5-workstation-0:1.15.1-51.el7_9", "rhel-7.9.z::computenode:libkadm5-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-0:1.15.1-51.el7_9.src", "rhel-7.9.z::server:krb5-debuginfo", "rhel-7.9.z::server:krb5-devel", "rhel-7.9.z::server:krb5-libs-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-pkinit-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-server-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-server-ldap-0:1.15.1-51.el7_9", "rhel-7.9.z::server:krb5-workstation-0:1.15.1-51.el7_9", "rhel-7.9.z::server:libkadm5-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-0:1.15.1-51.el7_9.src", "rhel-7.9.z::workstation:krb5-debuginfo", "rhel-7.9.z::workstation:krb5-devel", "rhel-7.9.z::workstation:krb5-libs-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-pkinit-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-server-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-server-ldap-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:krb5-workstation-0:1.15.1-51.el7_9", "rhel-7.9.z::workstation:libkadm5-0:1.15.1-51.el7_9", "rhel-7.els:krb5-devel", "rhel-7.els:krb5-libs", "rhel-7.els:krb5-pkinit", "rhel-7.els:krb5-server", "rhel-7.els:krb5-server-ldap", "rhel-7.els:krb5-workstation", "rhel-7.els:krb5.src", "rhel-7.els:libkadm5", "rhel-8.4.0.z.eus::baseos:krb5-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-debugsource", "rhel-8.4.0.z.eus::baseos:krb5-devel", "rhel-8.4.0.z.eus::baseos:krb5-devel-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-libs-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-libs-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-pkinit-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-pkinit-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-server-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-server-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-server-ldap-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-server-ldap-debuginfo", "rhel-8.4.0.z.eus::baseos:krb5-workstation-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:krb5-workstation-debuginfo", "rhel-8.4.0.z.eus::baseos:libkadm5-0:1.18.2-8.3.el8_4", "rhel-8.4.0.z.eus::baseos:libkadm5-debuginfo", "rhel-8.5.0:krb5.src", "rhel-9.0:krb5-devel", "rhel-9.0:krb5.src", "rhel-br-8.4.0.z::baseos:krb5-0:1.18.2-8.3.el8_4.src", "rhel-br-8.4.0.z::baseos:krb5-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-debugsource", "rhel-br-8.4.0.z::baseos:krb5-devel", "rhel-br-8.4.0.z::baseos:krb5-devel-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-libs-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-libs-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-pkinit-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-pkinit-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-server-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-server-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-server-ldap-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-server-ldap-debuginfo", "rhel-br-8.4.0.z::baseos:krb5-workstation-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:krb5-workstation-debuginfo", "rhel-br-8.4.0.z::baseos:libkadm5-0:1.18.2-8.3.el8_4", "rhel-br-8.4.0.z::baseos:libkadm5-debuginfo" ] } ], "title": "NULL pointer dereference in process_tgs_req() in kdc/do_tgs_req.c via a FAST inner body that lacks server field" } ] }