{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_vex", "csaf_version": "2.0", "distribution": { "text": "Copyright © Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "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" }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-49759.json" } ], "title": "erlang: Erlang OTP: Denial of Service via crafted SCTP ERROR chunk", "tracking": { "current_release_date": "2026-06-30T03:48:48+00:00", "generator": { "date": "2026-06-30T03:48:48+00:00", "engine": { "name": "Red Hat SDEngine", "version": "5.3.0" } }, "id": "CVE-2026-49759", "initial_release_date": "2026-06-10T14:35:38.838000+00:00", "revision_history": [ { "date": "2026-06-10T14:35:38.838000+00:00", "number": "1", "summary": "Initial version" }, { "date": "2026-06-17T20:08:08.658520+00:00", "number": "2", "summary": "Current version" }, { "date": "2026-06-30T03:48:48+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat OpenStack Platform 16.2", "product": { "name": "Red Hat OpenStack Platform 16.2", "product_id": "red_hat_openstack_platform_16.2", "product_identification_helper": { "cpe": "cpe:/a:redhat:openstack:16.2" } } } ], "category": "product_family", "name": "Red Hat OpenStack Platform 16.2" }, { "branches": [ { "category": "product_name", "name": "Red Hat OpenStack Platform 17.1", "product": { "name": "Red Hat OpenStack Platform 17.1", "product_id": "red_hat_openstack_platform_17.1", "product_identification_helper": { "cpe": 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"product_reference": "erlang-compiler", "relates_to_product_reference": "red_hat_openstack_platform_17.1" }, { "category": "default_component_of", "full_product_name": { "name": "erlang-crypto as a component of Red Hat OpenStack Platform 17.1", "product_id": "red_hat_openstack_platform_17.1:erlang-crypto" }, "product_reference": "erlang-crypto", "relates_to_product_reference": "red_hat_openstack_platform_17.1" }, { "category": "default_component_of", "full_product_name": { "name": "erlang-eldap as a component of Red Hat OpenStack Platform 17.1", "product_id": "red_hat_openstack_platform_17.1:erlang-eldap" }, "product_reference": "erlang-eldap", "relates_to_product_reference": "red_hat_openstack_platform_17.1" }, { "category": "default_component_of", "full_product_name": { "name": "erlang-erts as a component of Red Hat OpenStack Platform 17.1", "product_id": "red_hat_openstack_platform_17.1:erlang-erts" }, "product_reference": "erlang-erts", "relates_to_product_reference": "red_hat_openstack_platform_17.1" }, { "category": "default_component_of", "full_product_name": { "name": "erlang-inets as a component of Red Hat OpenStack Platform 17.1", "product_id": "red_hat_openstack_platform_17.1:erlang-inets" }, "product_reference": "erlang-inets", "relates_to_product_reference": "red_hat_openstack_platform_17.1" }, { "category": "default_component_of", "full_product_name": { "name": "erlang-kernel as a component of Red Hat OpenStack Platform 17.1", "product_id": "red_hat_openstack_platform_17.1:erlang-kernel" }, "product_reference": "erlang-kernel", "relates_to_product_reference": "red_hat_openstack_platform_17.1" }, { "category": "default_component_of", "full_product_name": { "name": "erlang-mnesia as a component of Red Hat OpenStack Platform 17.1", "product_id": "red_hat_openstack_platform_17.1:erlang-mnesia" }, "product_reference": "erlang-mnesia", "relates_to_product_reference": "red_hat_openstack_platform_17.1" }, { "category": "default_component_of", 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as a component of Red Hat OpenStack Platform 17.1", "product_id": "red_hat_openstack_platform_17.1:erlang-runtime_tools" }, "product_reference": "erlang-runtime_tools", "relates_to_product_reference": "red_hat_openstack_platform_17.1" }, { "category": "default_component_of", "full_product_name": { "name": "erlang-sasl as a component of Red Hat OpenStack Platform 17.1", "product_id": "red_hat_openstack_platform_17.1:erlang-sasl" }, "product_reference": "erlang-sasl", "relates_to_product_reference": "red_hat_openstack_platform_17.1" }, { "category": "default_component_of", "full_product_name": { "name": "erlang-snmp as a component of Red Hat OpenStack Platform 17.1", "product_id": "red_hat_openstack_platform_17.1:erlang-snmp" }, "product_reference": "erlang-snmp", "relates_to_product_reference": "red_hat_openstack_platform_17.1" }, { "category": "default_component_of", "full_product_name": { "name": "erlang-ssl as a component of Red Hat OpenStack Platform 17.1", "product_id": "red_hat_openstack_platform_17.1:erlang-ssl" }, "product_reference": "erlang-ssl", "relates_to_product_reference": "red_hat_openstack_platform_17.1" }, { "category": "default_component_of", "full_product_name": { "name": "erlang-stdlib as a component of Red Hat OpenStack Platform 17.1", "product_id": "red_hat_openstack_platform_17.1:erlang-stdlib" }, "product_reference": "erlang-stdlib", "relates_to_product_reference": "red_hat_openstack_platform_17.1" }, { "category": "default_component_of", "full_product_name": { "name": "erlang-syntax_tools as a component of Red Hat OpenStack Platform 17.1", "product_id": "red_hat_openstack_platform_17.1:erlang-syntax_tools" }, "product_reference": "erlang-syntax_tools", "relates_to_product_reference": "red_hat_openstack_platform_17.1" }, { "category": "default_component_of", "full_product_name": { "name": "erlang-tools as a component of Red Hat OpenStack Platform 17.1", "product_id": "red_hat_openstack_platform_17.1:erlang-tools" }, "product_reference": "erlang-tools", "relates_to_product_reference": "red_hat_openstack_platform_17.1" }, { "category": "default_component_of", "full_product_name": { "name": "erlang-xmerl as a component of Red Hat OpenStack Platform 17.1", "product_id": "red_hat_openstack_platform_17.1:erlang-xmerl" }, "product_reference": "erlang-xmerl", "relates_to_product_reference": "red_hat_openstack_platform_17.1" }, { "category": "default_component_of", "full_product_name": { "name": "erlang.src as a component of Red Hat OpenStack Platform 18.0", "product_id": "red_hat_openstack_platform_18.0:erlang.src" }, "product_reference": "erlang.src", "relates_to_product_reference": "red_hat_openstack_platform_18.0" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-49759", "cwe": { "id": "CWE-120", "name": "Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')" }, "discovery_date": "2026-06-10T16:01:51.030849+00:00", "flags": [ { "label": "vulnerable_code_not_in_execute_path", "product_ids": [ "red_hat_openstack_platform_16.2:erlang-asn1", "red_hat_openstack_platform_16.2:erlang-compiler", "red_hat_openstack_platform_16.2:erlang-crypto", "red_hat_openstack_platform_16.2:erlang-eldap", "red_hat_openstack_platform_16.2:erlang-erts", "red_hat_openstack_platform_16.2:erlang-hipe", "red_hat_openstack_platform_16.2:erlang-inets", "red_hat_openstack_platform_16.2:erlang-kernel", "red_hat_openstack_platform_16.2:erlang-mnesia", "red_hat_openstack_platform_16.2:erlang-os_mon", "red_hat_openstack_platform_16.2:erlang-parsetools", "red_hat_openstack_platform_16.2:erlang-public_key", "red_hat_openstack_platform_16.2:erlang-runtime_tools", "red_hat_openstack_platform_16.2:erlang-sasl", "red_hat_openstack_platform_16.2:erlang-snmp", "red_hat_openstack_platform_16.2:erlang-ssl", "red_hat_openstack_platform_16.2:erlang-stdlib", "red_hat_openstack_platform_16.2:erlang-syntax_tools", "red_hat_openstack_platform_16.2:erlang-tools", "red_hat_openstack_platform_16.2:erlang-xmerl", "red_hat_openstack_platform_16.2:erlang.src", "red_hat_openstack_platform_17.1:erlang-asn1", "red_hat_openstack_platform_17.1:erlang-compiler", "red_hat_openstack_platform_17.1:erlang-crypto", "red_hat_openstack_platform_17.1:erlang-eldap", "red_hat_openstack_platform_17.1:erlang-erts", "red_hat_openstack_platform_17.1:erlang-inets", "red_hat_openstack_platform_17.1:erlang-kernel", "red_hat_openstack_platform_17.1:erlang-mnesia", "red_hat_openstack_platform_17.1:erlang-os_mon", "red_hat_openstack_platform_17.1:erlang-parsetools", "red_hat_openstack_platform_17.1:erlang-public_key", "red_hat_openstack_platform_17.1:erlang-runtime_tools", "red_hat_openstack_platform_17.1:erlang-sasl", "red_hat_openstack_platform_17.1:erlang-snmp", "red_hat_openstack_platform_17.1:erlang-ssl", "red_hat_openstack_platform_17.1:erlang-stdlib", "red_hat_openstack_platform_17.1:erlang-syntax_tools", "red_hat_openstack_platform_17.1:erlang-tools", "red_hat_openstack_platform_17.1:erlang-xmerl", "red_hat_openstack_platform_18.0:erlang.src" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2487607" } ], "notes": [ { "category": "description", "text": "A flaw was found in Erlang OTP (Open Telecom Platform) erts, specifically within the `inet_drv` component. An unauthenticated remote attacker can exploit a stack-based buffer overflow vulnerability by sending a specially crafted Stream Control Transmission Protocol (SCTP) ERROR chunk. This can lead to a Denial of Service (DoS) by crashing the BEAM virtual machine. Additionally, this flaw may result in limited information disclosure by leaking small portions of Erlang VM memory.", "title": "Vulnerability description" }, { "category": "summary", "text": "erlang: Erlang OTP: Denial of Service via crafted SCTP ERROR chunk", "title": "Vulnerability summary" }, { "category": "other", "text": "This is an Important flaw in Erlang OTP's `inet_drv` component, which is utilized in Red Hat OpenStack Platform. An unauthenticated remote attacker can trigger a stack-based buffer overflow by sending a specially crafted SCTP ERROR chunk to a listening port, leading to a denial of service of the BEAM virtual machine. While limited information disclosure is also possible, the primary impact is system instability.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "known_not_affected": [ "red_hat_openstack_platform_16.2:erlang-asn1", "red_hat_openstack_platform_16.2:erlang-compiler", "red_hat_openstack_platform_16.2:erlang-crypto", "red_hat_openstack_platform_16.2:erlang-eldap", "red_hat_openstack_platform_16.2:erlang-erts", "red_hat_openstack_platform_16.2:erlang-hipe", "red_hat_openstack_platform_16.2:erlang-inets", "red_hat_openstack_platform_16.2:erlang-kernel", "red_hat_openstack_platform_16.2:erlang-mnesia", "red_hat_openstack_platform_16.2:erlang-os_mon", "red_hat_openstack_platform_16.2:erlang-parsetools", "red_hat_openstack_platform_16.2:erlang-public_key", "red_hat_openstack_platform_16.2:erlang-runtime_tools", "red_hat_openstack_platform_16.2:erlang-sasl", "red_hat_openstack_platform_16.2:erlang-snmp", "red_hat_openstack_platform_16.2:erlang-ssl", "red_hat_openstack_platform_16.2:erlang-stdlib", "red_hat_openstack_platform_16.2:erlang-syntax_tools", "red_hat_openstack_platform_16.2:erlang-tools", "red_hat_openstack_platform_16.2:erlang-xmerl", "red_hat_openstack_platform_16.2:erlang.src", "red_hat_openstack_platform_17.1:erlang-asn1", "red_hat_openstack_platform_17.1:erlang-compiler", "red_hat_openstack_platform_17.1:erlang-crypto", "red_hat_openstack_platform_17.1:erlang-eldap", "red_hat_openstack_platform_17.1:erlang-erts", "red_hat_openstack_platform_17.1:erlang-inets", "red_hat_openstack_platform_17.1:erlang-kernel", "red_hat_openstack_platform_17.1:erlang-mnesia", "red_hat_openstack_platform_17.1:erlang-os_mon", "red_hat_openstack_platform_17.1:erlang-parsetools", "red_hat_openstack_platform_17.1:erlang-public_key", "red_hat_openstack_platform_17.1:erlang-runtime_tools", "red_hat_openstack_platform_17.1:erlang-sasl", "red_hat_openstack_platform_17.1:erlang-snmp", "red_hat_openstack_platform_17.1:erlang-ssl", "red_hat_openstack_platform_17.1:erlang-stdlib", "red_hat_openstack_platform_17.1:erlang-syntax_tools", "red_hat_openstack_platform_17.1:erlang-tools", "red_hat_openstack_platform_17.1:erlang-xmerl", "red_hat_openstack_platform_18.0:erlang.src" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-49759" }, { "category": "external", "summary": "RHBZ#2487607", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2487607" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-49759", "url": "https://www.cve.org/CVERecord?id=CVE-2026-49759" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-49759", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-49759" }, { "category": "external", "summary": "https://cna.erlef.org/cves/CVE-2026-49759.html", "url": "https://cna.erlef.org/cves/CVE-2026-49759.html" }, { "category": "external", "summary": "https://github.com/erlang/otp/commit/3983d495284331c121f600a80bac9fcf4e16381e", "url": "https://github.com/erlang/otp/commit/3983d495284331c121f600a80bac9fcf4e16381e" }, { "category": "external", "summary": "https://github.com/erlang/otp/security/advisories/GHSA-6f4f-chj5-5g97", "url": "https://github.com/erlang/otp/security/advisories/GHSA-6f4f-chj5-5g97" }, { "category": "external", "summary": "https://osv.dev/vulnerability/EEF-CVE-2026-49759", "url": "https://osv.dev/vulnerability/EEF-CVE-2026-49759" }, { "category": "external", "summary": "https://www.erlang.org/doc/system/versions.html#order-of-versions", "url": "https://www.erlang.org/doc/system/versions.html#order-of-versions" } ], "release_date": "2026-06-10T14:35:38.838000+00:00", "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "version": "3.1" }, "products": [ "red_hat_openstack_platform_16.2:erlang-asn1", "red_hat_openstack_platform_16.2:erlang-compiler", "red_hat_openstack_platform_16.2:erlang-crypto", "red_hat_openstack_platform_16.2:erlang-eldap", "red_hat_openstack_platform_16.2:erlang-erts", "red_hat_openstack_platform_16.2:erlang-hipe", "red_hat_openstack_platform_16.2:erlang-inets", "red_hat_openstack_platform_16.2:erlang-kernel", "red_hat_openstack_platform_16.2:erlang-mnesia", "red_hat_openstack_platform_16.2:erlang-os_mon", "red_hat_openstack_platform_16.2:erlang-parsetools", "red_hat_openstack_platform_16.2:erlang-public_key", "red_hat_openstack_platform_16.2:erlang-runtime_tools", "red_hat_openstack_platform_16.2:erlang-sasl", "red_hat_openstack_platform_16.2:erlang-snmp", "red_hat_openstack_platform_16.2:erlang-ssl", "red_hat_openstack_platform_16.2:erlang-stdlib", "red_hat_openstack_platform_16.2:erlang-syntax_tools", "red_hat_openstack_platform_16.2:erlang-tools", "red_hat_openstack_platform_16.2:erlang-xmerl", "red_hat_openstack_platform_16.2:erlang.src", "red_hat_openstack_platform_17.1:erlang-asn1", "red_hat_openstack_platform_17.1:erlang-compiler", "red_hat_openstack_platform_17.1:erlang-crypto", "red_hat_openstack_platform_17.1:erlang-eldap", "red_hat_openstack_platform_17.1:erlang-erts", "red_hat_openstack_platform_17.1:erlang-inets", "red_hat_openstack_platform_17.1:erlang-kernel", "red_hat_openstack_platform_17.1:erlang-mnesia", "red_hat_openstack_platform_17.1:erlang-os_mon", "red_hat_openstack_platform_17.1:erlang-parsetools", "red_hat_openstack_platform_17.1:erlang-public_key", "red_hat_openstack_platform_17.1:erlang-runtime_tools", "red_hat_openstack_platform_17.1:erlang-sasl", "red_hat_openstack_platform_17.1:erlang-snmp", "red_hat_openstack_platform_17.1:erlang-ssl", "red_hat_openstack_platform_17.1:erlang-stdlib", "red_hat_openstack_platform_17.1:erlang-syntax_tools", "red_hat_openstack_platform_17.1:erlang-tools", "red_hat_openstack_platform_17.1:erlang-xmerl", "red_hat_openstack_platform_18.0:erlang.src" ] } ], "threats": [ { "category": "impact", "details": "Important", "product_ids": [ "red_hat_openstack_platform_16.2:erlang-asn1", "red_hat_openstack_platform_16.2:erlang-compiler", "red_hat_openstack_platform_16.2:erlang-crypto", "red_hat_openstack_platform_16.2:erlang-eldap", "red_hat_openstack_platform_16.2:erlang-erts", "red_hat_openstack_platform_16.2:erlang-hipe", "red_hat_openstack_platform_16.2:erlang-inets", "red_hat_openstack_platform_16.2:erlang-kernel", "red_hat_openstack_platform_16.2:erlang-mnesia", "red_hat_openstack_platform_16.2:erlang-os_mon", "red_hat_openstack_platform_16.2:erlang-parsetools", "red_hat_openstack_platform_16.2:erlang-public_key", "red_hat_openstack_platform_16.2:erlang-runtime_tools", "red_hat_openstack_platform_16.2:erlang-sasl", "red_hat_openstack_platform_16.2:erlang-snmp", "red_hat_openstack_platform_16.2:erlang-ssl", "red_hat_openstack_platform_16.2:erlang-stdlib", "red_hat_openstack_platform_16.2:erlang-syntax_tools", "red_hat_openstack_platform_16.2:erlang-tools", "red_hat_openstack_platform_16.2:erlang-xmerl", "red_hat_openstack_platform_16.2:erlang.src", "red_hat_openstack_platform_17.1:erlang-asn1", "red_hat_openstack_platform_17.1:erlang-compiler", "red_hat_openstack_platform_17.1:erlang-crypto", "red_hat_openstack_platform_17.1:erlang-eldap", "red_hat_openstack_platform_17.1:erlang-erts", "red_hat_openstack_platform_17.1:erlang-inets", "red_hat_openstack_platform_17.1:erlang-kernel", "red_hat_openstack_platform_17.1:erlang-mnesia", "red_hat_openstack_platform_17.1:erlang-os_mon", "red_hat_openstack_platform_17.1:erlang-parsetools", "red_hat_openstack_platform_17.1:erlang-public_key", "red_hat_openstack_platform_17.1:erlang-runtime_tools", "red_hat_openstack_platform_17.1:erlang-sasl", "red_hat_openstack_platform_17.1:erlang-snmp", "red_hat_openstack_platform_17.1:erlang-ssl", "red_hat_openstack_platform_17.1:erlang-stdlib", "red_hat_openstack_platform_17.1:erlang-syntax_tools", "red_hat_openstack_platform_17.1:erlang-tools", "red_hat_openstack_platform_17.1:erlang-xmerl", "red_hat_openstack_platform_18.0:erlang.src" ] } ], "title": "erlang: Erlang OTP: Denial of Service via crafted SCTP ERROR chunk" } ] }