The java-21-openjdk packages provide the OpenJDK 21 Java Runtime Environment and the OpenJDK 21 Java Software Development Kit. Security Fix: OpenJDK: array out-of-bounds access due to missing range check in C1 compiler OpenJDK: RSA padding issue and timing side-channel attack against TLS OpenJDK: JVM class file verifier flaw allows unverified bytecode execution OpenJDK: range check loop optimization issue OpenJDK: logging of digital signature private keys For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.