ESB-2026.4476

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.4476 OpenJDK 25.0.3 Security Update for Windows Builds 1 May 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: OpenJDK 25.0.3 Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2026-23865 CVE-2026-22016 CVE-2026-34282 CVE-2026-22021 CVE-2026-22013 CVE-2026-22008 CVE-2026-22018 CVE-2026-22007 CVE-2026-34268 Original Bulletin: https://access.redhat.com/errata/RHSA-2026:11822 Comment: CVSS (Max): 7.5 CVE-2026-34282 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H EPSS (Max): 0.1% (30th) CVE-2026-22016 2026-04-30 - --------------------------BEGIN INCLUDED TEXT-------------------- RHSA-2026:11822 - Security Advisory Issued: 2026-04-30 Updated: 2026-04-30 Synopsis Openjdk 25.0.3 security update for windows builds Type/Severity Security Advisory: Important Topic An update is now available for OpenJDK. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. Description The OpenJDK 25 packages provide the OpenJDK 25 Java Runtime Environment and the OpenJDK 25 Java Software Development Kit. This release of the Eclipse Temurin build of OpenJDK 25 (25.0.3) for Windows serves as a replacement for the Eclipse Temurin build of OpenJDK 25 (25.0.2) and includes security and bug fixes. For further information, refer to the release notes linked to in the References section. Security Fix(es): o JDK: Enhance crypto algorithm support (CVE-2026-22007) o JDK: Improved Arena allocations (CVE-2026-22008) o JDK: Improve Kerberos credentialing (CVE-2026-22013) o JDK: Enhance Path Factories Redux (CVE-2026-22016) o JDK: Enhance Zip file reading (CVE-2026-22018) o JDK: Enhance certificate chain validation (CVE-2026-22021) o JDK: Updating FreeType 2.14.1 (CVE-2026-23865) o JDK: Enhance TLS connection handling (CVE-2026-34282) o JDK: Enhance key generation (CVE-2026-34268) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Solution Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 Affected Products o OpenJDK Java (for Middleware) 1 x86_64 Fixes (none) CVEs o CVE-2026-22007 o CVE-2026-22008 o CVE-2026-22013 o CVE-2026-22016 o CVE-2026-22018 o CVE-2026-22021 o CVE-2026-23865 o CVE-2026-34268 o CVE-2026-34282 References o https://access.redhat.com/security/updates/classification/#important o https://docs.redhat.com/en/documentation/red_hat_build_of_openjdk/25/html/ release_notes_for_eclipse_temurin_25.0.3/index - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. 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