Issued:
2026-01-21
Updated:
2026-01-21

RHSA-2026:0849 - Moderate: OpenJDK 11.0.30 ELS Security Update for Windows Builds

Synopsis

Moderate: OpenJDK 11.0.30 ELS Security Update for Windows Builds

Type/Severity

Security Advisory Moderate

Topic

An update is now available for OpenJDK.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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 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 Windows 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: Improve JMX connections (CVE-2026-21925)
  • JDK: Enhance Handling of URIs (CVE-2026-21932)
  • JDK: Improve HttpServer Request handling (CVE-2026-21933)
  • JDK: Enhance Certificate Checking (CVE-2026-21945)
  • JDK: LIBPNG heap buffer overflow (CVE-2025-65018)
  • JDK: LIBPNG buffer overflow (CVE-2025-64720)

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

ProductVersionArch
OpenJDK Java Extended Life Cycle Support11x86_64
OpenJDK Java Extended Life Cycle Support11x86_64
OpenJDK Java Extended Life Cycle Support11x86_64
OpenJDK Java Extended Life Cycle Support11s390x
OpenJDK Java Extended Life Cycle Support11s390x
OpenJDK Java Extended Life Cycle Support11s390x
OpenJDK Java Extended Life Cycle Support11ppc64le
OpenJDK Java Extended Life Cycle Support11ppc64le
OpenJDK Java Extended Life Cycle Support11aarch64
OpenJDK Java Extended Life Cycle Support11aarch64

Fixes

CVEs

References

Additional information