This Red Hat security advisory details an Important update for OpenJDK 25 Windows builds, addressing multiple vulnerabilities including issues in TLS certificate handling (CVE-2026-46968, CVSS 5.9), DTLS handshaking (CVE-2026-46917, CVSS 5.3), and JPEG image processing (CVE-2026-47010, CVSS 3.7). The vulnerabilities affect the Eclipse Temurin build of OpenJDK 25.0.3 for Windows, and the fix is to apply the provided update to version 25.0.4.
Red Hat Product Errata RHSA-2026:48845 - Security Advisory Issued: 2026-07-30 Updated: 2026-07-30 RHSA-2026:48845 - Security Advisory Overview Synopsis Important: OpenJDK 25.0.4 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 (25.0.4) for Windows serves as a replacement for the Eclipse Temurin build of OpenJDK 25 (25.0.3) and includes security and bug fixes. For further information, refer to the release notes linked to in the References section. Security Fix(es): JDK: Enhance TLS certificate handling (CVE-2026-46968) JDK: Improve DTLS handshaking (CVE-2026-46917) JDK: Enhance JPEG handling (CVE-2026-47010) JDK: Enhance XBM image support (CVE-2026-47021) JDK: Enhance Jar file processing (CVE-2026-47027) JDK: Improve certification checking (CVE-2026-60147) JDK: Enhance AWT ImagingLib (CVE-2026-47059) JDK: Enhance Jar handling (CVE-2026-47063) JDK: Update LCMS to 2.19 (CVE-2026-41254) 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 OpenJDK Java (for Middleware) 1 x86_64 Fixes BZ - 2459420 - CVE-2026-41254 Little CMS: lcms2: mm2/Little-CMS: Little CMS: Information disclosure or denial of service via integer overflow in CubeSize BZ - 2502751 - CVE-2026-46968 openjdk: Enhance TLS certificate handling BZ - 2502782 - CVE-2026-46917 openjdk: OpenJDK: Improve DTLS handshaking (Oracle CPU 2026-07) BZ - 2502783 - CVE-2026-47010 openjdk: OpenJDK: Enhance JPEG handling (Oracle CPU 2026-07) BZ - 2502784 - CVE-2026-47021 openjdk: OpenJDK: Enhance XBM image support (Oracle CPU 2026-07) BZ - 2502791 - CVE-2026-47027 openjdk: OpenJDK: Enhance Jar file processing (Oracle CPU 2026-07) BZ - 2502792 - CVE-2026-47059 openjdk: OpenJDK: Enhance AWT ImagingLib (Oracle CPU 2026-07) BZ - 2502793 - CVE-2026-47063 openjdk: OpenJDK: Enhance Jar handling (Oracle CPU 2026-07) BZ - 2503636 - CVE-2026-60147 openjdk: OpenJDK: Improve certification checking (Oracle CPU 2026-07) CVEs CVE-2026-41254 CVE-2026-46917 CVE-2026-46968 CVE-2026-47010 CVE-2026-47021 CVE-2026-47027 CVE-2026-47059 CVE-2026-47063 CVE-2026-60147 References https://access.redhat.com/security/updates/classification/#important https://docs.redhat.com/en/documentation/red_hat_build_of_openjdk/25/html/release_notes_for_eclipse_temurin_25.0.4/index The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .