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====================================================================                   
Red Hat Security Advisory

Synopsis:          Important: OpenJDK 11.0.12 Security Update for Portable Linux Builds
Advisory ID:       RHSA-2021:2780-01
Product:           OpenJDK
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:2780
Issue date:        2021-07-22
Keywords:          openjdk,linux
CVE Names:         CVE-2021-2341 CVE-2021-2369 CVE-2021-2388
====================================================================
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 Imporant. 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 (11.0.12) for portable
Linux serves as a replacement for the Red Hat build of OpenJDK 11 (11.0.11)
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: FTP PASV command response can cause FtpClient to connect to
arbitrary host (Networking, 8258432) (CVE-2021-2341)

* OpenJDK: Incorrect verification of JAR files with multiple MANIFEST.MF
files (Library, 8260967) (CVE-2021-2369)

* OpenJDK: Incorrect comparison during range check elimination (Hotspot,
8264066) (CVE-2021-2388)

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_an
d_using_openjdk_11_on_rhel/installing-openjdk11-on-rhel8#installing-jdk11-o
n-rhel-using-archive

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

1982874 - CVE-2021-2341 OpenJDK: FTP PASV command response can cause FtpClient to connect to arbitrary host (Networking, 8258432)
1982879 - CVE-2021-2369 OpenJDK: Incorrect verification of JAR files with multiple MANIFEST.MF files (Library, 8260967)
1983075 - CVE-2021-2388 OpenJDK: Incorrect comparison during range check elimination (Hotspot, 8264066)

5. JIRA issues fixed (https://issues.jboss.org/):

OPENJDK-422 - Linux: JDK: Oracle CPU 2021-07 [Portable Linux] [openjdk-11]

6. References:

https://access.redhat.com/security/cve/CVE-2021-2341
https://access.redhat.com/security/cve/CVE-2021-2369
https://access.redhat.com/security/cve/CVE-2021-2388
https://access.redhat.com/security/updates/classification/#important

7. Contact:

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

Copyright 2021 Red Hat, Inc.
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