The java-21-openjdk packages provide the OpenJDK 21 Java Runtime Environment and the OpenJDK 21 Java Software Development Kit. Security Fix: * OpenJDK: long Exception message leading to crash * OpenJDK: integer overflow in C1 compiler address generation * OpenJDK: HTTP/2 client improper reverse DNS lookup 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.