Skip to content
OpenAdvisories
High ALSA-2024:0249 5 CVEs

Important: java-21-openjdk security update

Published Jan 17, 2024 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

The java-21-openjdk packages provide the OpenJDK 21 Java Runtime Environment and the OpenJDK 21 Java Software Development Kit.

Security Fix(es):

* OpenJDK: array out-of-bounds access due to missing range check in C1 compiler (8314468) (CVE-2024-20918)
* OpenJDK: RSA padding issue and timing side-channel attack against TLS (8317547) (CVE-2024-20952)
* OpenJDK: JVM class file verifier flaw allows unverified bytecode execution (8314295) (CVE-2024-20919)
* OpenJDK: range check loop optimization issue (8314307) (CVE-2024-20921)
* OpenJDK: logging of digital signature private keys (8316976) (CVE-2024-20945)

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.

Fixed packages 23

ReleasePackageFixed in
AlmaLinux · 9 java-21-openjdk 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-demo 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-demo-fastdebug 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-demo-slowdebug 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-devel 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-devel-fastdebug 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-devel-slowdebug 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-fastdebug 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-headless 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-headless-fastdebug 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-headless-slowdebug 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-javadoc 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-javadoc-zip 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-jmods 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-jmods-fastdebug 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-jmods-slowdebug 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-slowdebug 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-src 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-src-fastdebug 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-src-slowdebug 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-static-libs 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-static-libs-fastdebug 1:21.0.2.0.13-1.el9.alma.1
AlmaLinux · 9 java-21-openjdk-static-libs-slowdebug 1:21.0.2.0.13-1.el9.alma.1

Vulnerabilities 5

References

  • report
    https://access.redhat.com/security/cve/CVE-2024-20918
  • report
    https://access.redhat.com/security/cve/CVE-2024-20919
  • report
    https://access.redhat.com/security/cve/CVE-2024-20921
  • report
    https://access.redhat.com/security/cve/CVE-2024-20945
  • report
    https://access.redhat.com/security/cve/CVE-2024-20952
  • report
    https://bugzilla.redhat.com/2257728
  • report
    https://bugzilla.redhat.com/2257837
  • report
    https://bugzilla.redhat.com/2257853
  • report
    https://bugzilla.redhat.com/2257859
  • report
    https://bugzilla.redhat.com/2257874
  • advisory
    https://errata.almalinux.org/9/ALSA-2024-0249.html