Issued:
2025-07-17
Updated:
2025-07-17

RHSA-2025:10875 - Important: OpenJDK 21.0.8 Security Update for Windows Builds

Synopsis

Important: OpenJDK 21.0.8 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 21 packages provide the OpenJDK 21 Java Runtime Environment and the OpenJDK 21 Java Software Development Kit.

This release of the Red Hat build of OpenJDK 21 (21.0.8) for Windows serves as a replacement for the Red Hat build of OpenJDK 21 (21.0.7) and includes security and bug fixes. For further information, refer to the release notes linked to in the References section.

Security Fix(es):

  • JDK: Better Glyph drawing (CVE-2025-30749)
  • JDK: Enhance TLS protocol support (CVE-2025-30754)
  • JDK: Improve HTTP client header handling (CVE-2025-50059)
  • JDK: Better Glyph drawing redux (CVE-2025-50106)

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 (for Middleware)1x86_64

Fixes

(none)

CVEs

References

Additional information