Red Hat Security Advisory: java-11-openjdk ELS security update
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 (11.0.30) with Extended Lifecycle Support for portable Linux serves as a replacement for the Red Hat build of OpenJDK 11 (11.0.29) 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 buffer overflow (CVE-2025-64720) * JDK: LIBPNG heap buffer overflow (CVE-2025-65018) * JDK: Improve JMX connections (CVE-2026-21925) * JDK: Improve HttpServer Request handling (CVE-2026-21933) * JDK: Enhance Certificate Checking (CVE-2026-21945) 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.
Red Hat Security Advisory: java-11-openjdk ELS security update
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 (11.0.30) with Extended Lifecycle Support for portable Linux serves as a replacement for the Red Hat build of OpenJDK 11 (11.0.29) 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 buffer overflow (CVE-2025-64720) * JDK: LIBPNG heap buffer overflow (CVE-2025-65018) * JDK: Improve JMX connections (CVE-2026-21925) * JDK: Improve HttpServer Request handling (CVE-2026-21933) * JDK: Enhance Certificate Checking (CVE-2026-21945) 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.
Affected software
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:0849
- Cve Count
- 6
- Additional Cves
- ["CVE-2025-65018","CVE-2026-21925","CVE-2026-21932","CVE-2026-21933","CVE-2026-21945"]
Threat ID: 6a1f4e86e29bf47b5007f2d2
Added to database: 06/02/2026, 21:43:34 UTC
Last enriched: 08/21/2026, 15:41:49 UTC
Last updated: 09/10/2026, 19:36:51 UTC
Views: 113
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