[RHSA-2023:1912-01] Important: OpenJDK 8u372 Windows Security Update

Tue Apr 25 11:53:37 UTC 2023

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.

2. Description:

The OpenJDK 8 packages provide the OpenJDK 8 Java Runtime Environment and
the OpenJDK 8 Java Software Development Kit.

This release of the Red Hat build of OpenJDK 8 (8u372) for Windows serves
as a replacement for the Red Hat build of OpenJDK 8 (8u362) 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: improper connection handling during TLS handshake (8294474)
(CVE-2023-21930)

* OpenJDK: Swing HTML parsing issue (8296832) (CVE-2023-21939)

* OpenJDK: incorrect enqueue of references in garbage collector (8298191)
(CVE-2023-21954)

* OpenJDK: certificate validation issue in TLS session negotiation
(8298310) (CVE-2023-21967)

* OpenJDK: missing string checks for NULL characters (8296622)
(CVE-2023-21937)

* OpenJDK: incorrect handling of NULL characters in ProcessBuilder
(8295304) (CVE-2023-21938)

* OpenJDK: missing check for slash characters in URI-to-path conversion
(8298667) (CVE-2023-21968)

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:

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

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

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

2187435 - CVE-2023-21930 OpenJDK: improper connection handling during TLS handshake (8294474)
2187441 - CVE-2023-21954 OpenJDK: incorrect enqueue of references in garbage collector (8298191)
2187704 - CVE-2023-21967 OpenJDK: certificate validation issue in TLS session negotiation (8298310)
2187724 - CVE-2023-21939 OpenJDK: Swing HTML parsing issue (8296832)
2187758 - CVE-2023-21938 OpenJDK: incorrect handling of NULL characters in ProcessBuilder (8295304)
2187790 - CVE-2023-21937 OpenJDK: missing string checks for NULL characters (8296622)
2187802 - CVE-2023-21968 OpenJDK: missing check for slash characters in URI-to-path conversion (8298667)

5. References:

https://access.redhat.com/security/cve/CVE-2023-21930
https://access.redhat.com/security/cve/CVE-2023-21937
https://access.redhat.com/security/cve/CVE-2023-21938
https://access.redhat.com/security/cve/CVE-2023-21939
https://access.redhat.com/security/cve/CVE-2023-21954
https://access.redhat.com/security/cve/CVE-2023-21967
https://access.redhat.com/security/cve/CVE-2023-21968
https://access.redhat.com/security/updates/classification/#important

6. Contact:

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

Copyright 2023 Red Hat, Inc.
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