RHSA-2026:55789: Moderate: OpenJDK 21.0.12.1 Security Update for Windows Builds

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 Windows serves as a replacement for the Red Hat build of OpenJDK 21 (21.0.12) and includes security and bug fixes. 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