Moderate: java-11-openjdk security and bug fix update

Topic

An update for java-11-openjdk is now available for Red Hat Enterprise Linux 8.

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

Security Fix(es):

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

Bug Fix(es):

• Prepare for the next quarterly OpenJDK upstream release (2023-01, 11.0.18) [rhel-8] (BZ#2157797)

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

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

All running instances of OpenJDK Java must be restarted for this update to take effect.

Affected Products

• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Enterprise Linux for IBM z Systems 8 s390x
• Red Hat Enterprise Linux for Power, little endian 8 ppc64le
• Red Hat Enterprise Linux for ARM 64 8 aarch64
• Red Hat CodeReady Linux Builder for x86_64 8 x86_64
• Red Hat CodeReady Linux Builder for Power, little endian 8 ppc64le
• Red Hat CodeReady Linux Builder for ARM 64 8 aarch64
• Red Hat CodeReady Linux Builder for IBM z Systems 8 s390x

Fixes

• BZ - 2157797 - Prepare for the next quarterly OpenJDK upstream release (2023-01, 11.0.18) [rhel-8] [rhel-8.7.0.z]
• BZ - 2160421 - CVE-2023-21835 OpenJDK: handshake DoS attack against DTLS connections (JSSE, 8287411)
• BZ - 2160475 - CVE-2023-21843 OpenJDK: soundbank URL remote loading (Sound, 8293742)

CVEs

• CVE-2023-21835
• CVE-2023-21843

References

• https://access.redhat.com/security/updates/classification/#moderate