- Issued:
- 2026-04-23
- Updated:
- 2026-04-23
RHSA-2026:9691 - Security Advisory
Synopsis
Important: OpenJDK 21.0.11 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 (21.0.11) for Windows serves as a replacement for the Red Hat build of OpenJDK 21 (21.0.10) and includes security and bug fixes. For further information, refer to the release notes linked to in the References section.
Security Fix(es):
- JDK: Enhance crypto algorithm support (CVE-2026-22007)
- JDK: Improve Kerberos credentialing (CVE-2026-22013)
- JDK: Enhance Path Factories Redux (CVE-2026-22016)
- JDK: Enhance Zip file reading (CVE-2026-22018)
- JDK: Enhance certificate chain validation (CVE-2026-22021)
- JDK: Updating FreeType 2.14.1 (CVE-2026-23865)
- JDK: Enhance TLS connection handling (CVE-2026-34282)
- JDK: Enhance key generation (CVE-2026-34268)
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:
Affected Products
- OpenJDK Java (for Middleware) 1 x86_64
Fixes
(none)CVEs
The Red Hat security contact is secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.