RedHat: RHSA-2023-0388:01 Moderate: OpenJDK 11.0.18 Security Update...
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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 
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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 . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.
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RedHat: RHSA-2023-0388:01 Moderate: OpenJDK 11.0.18 Security Update for

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

Summary

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.

Solution

Before applying this update, make sure all previously released erratarelevant 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

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

Package List

Severity
Advisory ID: RHSA-2023:0388-01
Product: OpenJDK
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0388
Issued Date: : 2023-01-23
CVE Names: CVE-2023-21835 CVE-2023-21843

Topic

The Red Hat Build of OpenJDK 11 (java-11-openjdk) is now available forportable Linux.Red Hat Product Security has rated this update as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Relevant Releases Architectures

Bugs Fixed

2160421 - CVE-2023-21835 OpenJDK: handshake DoS attack against DTLS connections (JSSE, 8287411)

2160475 - CVE-2023-21843 OpenJDK: soundbank URL remote loading (Sound, 8293742)

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