The following advisory data is extracted from:

https://access.redhat.com/security/data/csaf/v2/advisories/2024/rhsa-2024_0247.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




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Red Hat Security Advisory

Synopsis:           Important: OpenJDK 21.0.2 security update
Advisory ID:        RHSA-2024:0247-03
Product:            OpenJDK
Advisory URL:       https://access.redhat.com/errata/RHSA-2024:0247
Issue date:         2024-01-17
Revision:           03
CVE Names:          CVE-2024-20918
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Summary: 

An update is now available for OpenJDK.

Red Hat Product Security has rated this update as having a security impact of Important. 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 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 (21.0.2) for portable Linux serves as a replacement for the Red Hat build of OpenJDK 21 (21.0.1) and includes security and bug fixes, and enhancements. For further information, refer to the release notes linked to in the References section.

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.


Solution:

https://access.redhat.com/articles/11258



CVEs:

CVE-2024-20918

References:

https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2257728
https://bugzilla.redhat.com/show_bug.cgi?id=2257837
https://bugzilla.redhat.com/show_bug.cgi?id=2257853
https://bugzilla.redhat.com/show_bug.cgi?id=2257859
https://bugzilla.redhat.com/show_bug.cgi?id=2257874