{ "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-2026-42198.json" } ], "title": "jdbc.postgresql.org: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication", "tracking": { "current_release_date": "2026-09-10T23:25:19+00:00", "generator": { "date": "2026-09-10T23:25:19+00:00", "engine": { "name": "Red Hat SDEngine", "version": "5.3.18" } }, "id": "CVE-2026-42198", "initial_release_date": 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component of Red Hat Enterprise Linux 7", "product_id": "red_hat_enterprise_linux_7:postgresql-jdbc-javadoc" }, "product_reference": "postgresql-jdbc-javadoc", "relates_to_product_reference": "red_hat_enterprise_linux_7" }, { "category": "default_component_of", "full_product_name": { "name": "postgresql-jdbc.src as a component of Red Hat Enterprise Linux 7", "product_id": "red_hat_enterprise_linux_7:postgresql-jdbc.src" }, "product_reference": "postgresql-jdbc.src", "relates_to_product_reference": "red_hat_enterprise_linux_7" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-42198", "cwe": { "id": "CWE-770", "name": "Allocation of Resources Without Limits or Throttling" }, "discovery_date": "2026-04-29T17:00:59.186447+00:00", "flags": [ { "label": "vulnerable_code_not_present", "product_ids": [ "red_hat_enterprise_linux_7:postgresql-jdbc", "red_hat_enterprise_linux_7:postgresql-jdbc-javadoc", "red_hat_enterprise_linux_7:postgresql-jdbc.src" ] } ], "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2463857" } ], "notes": [ { "category": "description", "text": "A flaw was found in pgjdbc, an open-source PostgreSQL JDBC Driver. A malicious server can exploit this vulnerability by instructing the driver to perform SCRAM-SHA-256 (Salted Challenge Response Authentication Mechanism Secure Hash Algorithm 256) authentication with an excessively large iteration count. This causes the client to spend an unbounded amount of CPU time performing PBKDF2 (Password-Based Key Derivation Function 2) computations, leading to a client-side Denial of Service (DoS). This can exhaust client CPU resources and wedge connection pools.", "title": "Vulnerability description" }, { "category": "summary", "text": "jdbc.postgresql.org: pgjdbc: Client-side Denial of Service via malicious SCRAM-SHA-256 authentication", "title": "Vulnerability summary" }, { "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": { "fixed": [ "AppStream-10.0.Z.E2S:postgresql-jdbc-0:42.7.1-7.el10_0.1.noarch", "AppStream-10.0.Z.E2S:postgresql-jdbc-0:42.7.1-7.el10_0.1.src", "AppStream-10.2.Z:postgresql-jdbc-0:42.7.2-1.el10_2.2.noarch", "AppStream-10.2.Z:postgresql-jdbc-0:42.7.2-1.el10_2.2.src", "AppStream-8.10.0.Z.MAIN.EUS:postgresql-jdbc-0:42.2.14-4.el8_10.noarch", "AppStream-8.10.0.Z.MAIN.EUS:postgresql-jdbc-0:42.2.14-4.el8_10.src", 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"url": "https://github.com/pgjdbc/pgjdbc/releases/tag/REL42.7.11" }, { "category": "external", "summary": "https://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-98qh-xjc8-98pq", "url": "https://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-98qh-xjc8-98pq" } ], "release_date": "2026-04-29T15:58:49.174000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-08-10T15:40:43+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-10.0.Z.E2S:postgresql-jdbc-0:42.7.1-7.el10_0.1.noarch", "AppStream-10.0.Z.E2S:postgresql-jdbc-0:42.7.1-7.el10_0.1.src" ], "url": "https://access.redhat.com/errata/RHSA-2026:52928" }, { "category": "vendor_fix", "date": "2026-06-08T03:14:44+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-10.2.Z:postgresql-jdbc-0:42.7.2-1.el10_2.2.noarch", "AppStream-10.2.Z:postgresql-jdbc-0:42.7.2-1.el10_2.2.src" ], "url": "https://access.redhat.com/errata/RHSA-2026:24348" }, { "category": "vendor_fix", "date": "2026-06-10T09:58:41+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.10.0.Z.MAIN.EUS:postgresql-jdbc-0:42.2.14-4.el8_10.noarch", "AppStream-8.10.0.Z.MAIN.EUS:postgresql-jdbc-0:42.2.14-4.el8_10.src", "AppStream-8.10.0.Z.MAIN.EUS:postgresql-jdbc-javadoc-0:42.2.14-4.el8_10.noarch" ], "url": "https://access.redhat.com/errata/RHSA-2026:25030" }, { "category": "vendor_fix", "date": "2026-08-25T04:38:23+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.4.0.Z.AUS:postgresql-jdbc-0:42.2.3-7.el8_4.1.noarch", "AppStream-8.4.0.Z.AUS:postgresql-jdbc-0:42.2.3-7.el8_4.1.src", "AppStream-8.4.0.Z.AUS:postgresql-jdbc-javadoc-0:42.2.3-7.el8_4.1.noarch", "AppStream-8.4.0.Z.EUS.EXTENSION:postgresql-jdbc-0:42.2.3-7.el8_4.1.noarch", "AppStream-8.4.0.Z.EUS.EXTENSION:postgresql-jdbc-0:42.2.3-7.el8_4.1.src", "AppStream-8.4.0.Z.EUS.EXTENSION:postgresql-jdbc-javadoc-0:42.2.3-7.el8_4.1.noarch" ], "url": "https://access.redhat.com/errata/RHSA-2026:59278" }, { "category": "vendor_fix", "date": "2026-08-25T04:40:34+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.6.0.Z.AUS:postgresql-jdbc-0:42.2.3-5.el8_6.1.noarch", "AppStream-8.6.0.Z.AUS:postgresql-jdbc-0:42.2.3-5.el8_6.1.src", 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