The following advisory data is extracted from: https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_0421.json Red Hat officially shut down their mailing list notifications October 10, 2023. Due to this, Packet Storm has recreated the below data as a reference point to raise awareness. It must be noted that due to an inability to easily track revision updates without crawling Red Hat's archive, these advisories are single notifications and we strongly suggest that you visit the Red Hat provided links to ensure you have the latest information available if the subject matter listed pertains to your environment. - Packet Storm Staff ==================================================================== Red Hat Security Advisory Synopsis: Moderate: java-17-openjdk security update for RHEL 8.4 Advisory ID: RHSA-2025:0421-03 Product: Red Hat Enterprise Linux Advisory URL: https://access.redhat.com/errata/RHSA-2025:0421 Issue date: 2025-01-22 Revision: 03 CVE Names: CVE-2025-21502 ==================================================================== Summary: An update for java-17-openjdk is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.4 Telecommunications Update Service. Red Hat Product Security has rated this update as having a security impact of Moderate. 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 java-17-openjdk packages provide the OpenJDK 17 Java Runtime Environment and the OpenJDK 17 Java Software Development Kit. Security Fix(es): * JDK: Enhance array handling (CVE-2025-21502) Bug Fix(es): * The Red Hat OpenJDK packages rely on the copy-jdk-configs package to transfer configuration files to a new updated JDK. The version of this package in RHEL 8.4 has been outdated for some time and contains bugs that have been fixed in later RHEL versions. With this update, both copy-jdk-configs and the JDK have been updated to use the latest version of copy-jdk-configs, which has been used for some years on later RHEL versions (RHEL-73870). 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: https://access.redhat.com/articles/11258 CVEs: CVE-2025-21502 References: https://access.redhat.com/security/updates/classification/#moderate