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Red Hat Security Advisory 2023-0388-01

Red Hat Security Advisory 2023-0388-01
Posted Jan 24, 2023
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2023-0388-01 - The OpenJDK 11 packages provide the OpenJDK 11 Java Runtime Environment and the OpenJDK 11 Java Software Development Kit. This release of the Red Hat build of OpenJDK 11 for portable Linux serves as a replacement for the Red Hat build of OpenJDK 11 and includes security and bug fixes, and enhancements. For further information, refer to the release notes linked to in the References section. Issues addressed include a denial of service vulnerability.

tags | advisory, java, denial of service
systems | linux, redhat
advisories | CVE-2023-21835, CVE-2023-21843
SHA-256 | 62af5a67d2261f9bde31a9f7a1ceb8ff457d4fcb0e07cfc258729629e0f265d7

Red Hat Security Advisory 2023-0388-01

Change Mirror Download
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====================================================================
Red Hat Security Advisory

Synopsis: Moderate: OpenJDK 11.0.18 Security Update for Portable Linux Builds
Advisory ID: RHSA-2023:0388-01
Product: OpenJDK
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0388
Issue date: 2023-01-23
CVE Names: CVE-2023-21835 CVE-2023-21843
====================================================================
1. Summary:

The Red Hat Build of OpenJDK 11 (java-11-openjdk) is now available for
portable Linux.

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.

2. Description:

The OpenJDK 11 packages provide the OpenJDK 11 Java Runtime Environment and
the OpenJDK 11 Java Software Development Kit.

This release of the Red Hat build of OpenJDK 11 (11.0.18) for portable
Linux serves as a replacement for the Red Hat build of OpenJDK 11 (11.0.17)
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: handshake DoS attack against DTLS connections (CVE-2023-21835)

* OpenJDK: soundbank URL remote loading (CVE-2023-21843)

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.

3. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/documentation/en-us/openjdk/11/html/installing_and_using_openjdk_11_on_rhel/installing-openjdk11-on-rhel8#installing-jdk11-on-rhel-using-archive_openjdk

4. Bugs fixed (https://bugzilla.redhat.com/):

2160421 - CVE-2023-21835 OpenJDK: handshake DoS attack against DTLS connections (JSSE, 8287411)
2160475 - CVE-2023-21843 OpenJDK: soundbank URL remote loading (Sound, 8293742)

5. References:

https://access.redhat.com/security/cve/CVE-2023-21835
https://access.redhat.com/security/cve/CVE-2023-21843
https://access.redhat.com/security/updates/classification/#moderate

6. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
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