RHSA-2026:55788: Moderate: OpenJDK 21.0.12.1 Security Update for Portable Linux Builds
Moderate: OpenJDK 21.0.12.1 Security Update for Portable Linux Builds
Other sources
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 (21.0.12.1) for portable Linux serves as a replacement for the Red Hat build of OpenJDK 21 (21.0.12) 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 Resource Resolving (CVE-2026-60589) JDK: Enhance HTTP Connections (CVE-2026-61308) JDK: Enhance TLS server (CVE-2026-70907) 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
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
OpenJDK 21 (Red Hat build) portable Linuxto a version that resolves this vulnerability.Fixed in 21.0.12.1 - Compensating control
Before applying the OpenJDK 21.0.12.1 update, ensure all previously released errata relevant to your system have been applied.