Red Hat Security Advisory: OpenJDK 21.0.10 Security Update for Portable Linux Builds
🔗 CVE IDs covered (5)
📋 Description
CVE-2025-64720 — libpng: LIBPNG buffer overflow CVE-2025-65018 — libpng: LIBPNG heap buffer overflow CVE-2026-21925 — openjdk: Improve JMX connections (Oracle CPU 2026-01) CVE-2026-21933 — openjdk: Improve HttpServer Request handling (Oracle CPU 2026-01) CVE-2026-21945 — openjdk: Enhance Certificate Checking (Oracle CPU 2026-01)
🎯 Affected products1
- Red Hat Build of OpenJDK 21.0.10
✅ Remediation
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 Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
🔗 References (4)
- selfhttps://access.redhat.com/errata/RHSA-2026:0899
- externalhttps://access.redhat.com/security/updates/classification/#important
- externalhttps://docs.redhat.com/en/documentation/red_hat_build_of_openjdk/21/html/release_notes_for_red_hat_build_of_openjdk_21.0.10/index
- selfhttps://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_0899.json