Red Hat Product Errata RHSA-2026:9255 - Security Advisory Issued: 2026-04-22 Updated: 2026-04-22 RHSA-2026:9255 - Security Advisory Overview Synopsis Important: OpenJDK 11.0.31 ELS Security Update for Portable Linux 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 11 ELS packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit. This release of the Red Hat build of OpenJDK 11 (11.0.31) with Extended Lifecycle Support for portable Linux serves as a replacement for the Red Hat build of OpenJDK 11 (11.0.30) and includes security and bug fixes as well as enhancements. For further information, refer to the release notes linked to in the References section. Security Fix(es): JDK: LIBPNG: out-of-bounds read in png_image_read_composite (CVE-2025-66293) JDK: LIBPNG: Information disclosure and denial of service via integer truncation in simplified write API (CVE-2026-22801) JDK: LIBPNG: has a heap buffer overflow in png_set_quantize (CVE-2026-25646) JDK: GIFLIB: Denial of Service via buffer overflow in EGifGCBToExtension (CVE-2026-26740) JDK: LIBPNG: Arbitrary code execution due to use-after-free vulnerability (CVE-2026-33416) JDK: LIBPNG: Information disclosure and denial of service via out-of-bounds read/write in Neon palette expansion (CVE-2026-33636) JDK: LIBPNG: Denial of service and information disclosure via heap buffer over-read in png_image_finish_read (CVE-2026-22695) JDK: (CVE-2026-22007) JDK: (CVE-2026-22016) JDK: (CVE-2026-22013) JDK: (CVE-2026-22018) JDK: (CVE-2026-22021) JDK: (CVE-2026-34268) JDK: (CVE-2026-34282) JDK: (CVE-2026-23865) 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 Extended Life Cycle Support 11 for RHEL 9 x86_64 OpenJDK Java Extended Life Cycle Support 11 for RHEL 9 s390x OpenJDK Java Extended Life Cycle Support 11 for RHEL 9 ppc64le OpenJDK Java Extended Life Cycle Support 11 for RHEL 9 aarch64 OpenJDK Java Extended Life Cycle Support 11 for RHEL 8 x86_64 OpenJDK Java Extended Life Cycle Support 11 for RHEL 8 s390x OpenJDK Java Extended Life Cycle Support 11 for RHEL 8 ppc64le OpenJDK Java Extended Life Cycle Support 11 for RHEL 8 aarch64 OpenJDK Java Extended Life Cycle Support 11 for RHEL 7 x86_64 OpenJDK Java Extended Life Cycle Support 11 for RHEL 7 s390x Fixes (none) CVEs CVE-2025-66293 CVE-2026-22007 CVE-2026-22013 CVE-2026-22016 CVE-2026-22018 CVE-2026-22021 CVE-2026-22695 CVE-2026-22801 CVE-2026-23865 CVE-2026-25646 CVE-2026-26740 CVE-2026-33416 CVE-2026-33636 CVE-2026-34268 CVE-2026-34282 References https://access.redhat.com/security/updates/classification/#important https://docs.redhat.com/en/documentation/red_hat_build_of_openjdk/11/html/release_notes_for_red_hat_build_of_openjdk_11.0.31/index The Red Hat security contact is secalert@redhat.com . More contact details at https://access.redhat.com/security/team/contact/ .