Home / mailings [RHSA-2023:0337-01] Moderate: expat security update
Posted on 23 January 2023
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Moderate: expat security update
Advisory ID: RHSA-2023:0337-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0337
Issue date: 2023-01-23
CVE Names: CVE-2022-43680
=====================================================================
1. Summary:
An update for expat is now available for Red Hat Enterprise Linux 9.
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. Relevant releases/architectures:
Red Hat Enterprise Linux AppStream (v. 9) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 9) - aarch64, ppc64le, s390x, x86_64
3. Description:
Expat is a C library for parsing XML documents.
Security Fix(es):
* expat: use-after free caused by overeager destruction of a shared DTD in
XML_ExternalEntityParserCreate (CVE-2022-43680)
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.
4. 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
After installing the updated packages, applications using the Expat library
must be restarted for the update to take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
2140059 - CVE-2022-43680 expat: use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate
6. Package List:
Red Hat Enterprise Linux AppStream (v. 9):
aarch64:
expat-debuginfo-2.4.9-1.el9_1.1.aarch64.rpm
expat-debugsource-2.4.9-1.el9_1.1.aarch64.rpm
expat-devel-2.4.9-1.el9_1.1.aarch64.rpm
ppc64le:
expat-debuginfo-2.4.9-1.el9_1.1.ppc64le.rpm
expat-debugsource-2.4.9-1.el9_1.1.ppc64le.rpm
expat-devel-2.4.9-1.el9_1.1.ppc64le.rpm
s390x:
expat-debuginfo-2.4.9-1.el9_1.1.s390x.rpm
expat-debugsource-2.4.9-1.el9_1.1.s390x.rpm
expat-devel-2.4.9-1.el9_1.1.s390x.rpm
x86_64:
expat-debuginfo-2.4.9-1.el9_1.1.i686.rpm
expat-debuginfo-2.4.9-1.el9_1.1.x86_64.rpm
expat-debugsource-2.4.9-1.el9_1.1.i686.rpm
expat-debugsource-2.4.9-1.el9_1.1.x86_64.rpm
expat-devel-2.4.9-1.el9_1.1.i686.rpm
expat-devel-2.4.9-1.el9_1.1.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 9):
Source:
expat-2.4.9-1.el9_1.1.src.rpm
aarch64:
expat-2.4.9-1.el9_1.1.aarch64.rpm
expat-debuginfo-2.4.9-1.el9_1.1.aarch64.rpm
expat-debugsource-2.4.9-1.el9_1.1.aarch64.rpm
ppc64le:
expat-2.4.9-1.el9_1.1.ppc64le.rpm
expat-debuginfo-2.4.9-1.el9_1.1.ppc64le.rpm
expat-debugsource-2.4.9-1.el9_1.1.ppc64le.rpm
s390x:
expat-2.4.9-1.el9_1.1.s390x.rpm
expat-debuginfo-2.4.9-1.el9_1.1.s390x.rpm
expat-debugsource-2.4.9-1.el9_1.1.s390x.rpm
x86_64:
expat-2.4.9-1.el9_1.1.i686.rpm
expat-2.4.9-1.el9_1.1.x86_64.rpm
expat-debuginfo-2.4.9-1.el9_1.1.i686.rpm
expat-debuginfo-2.4.9-1.el9_1.1.x86_64.rpm
expat-debugsource-2.4.9-1.el9_1.1.i686.rpm
expat-debugsource-2.4.9-1.el9_1.1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/
7. References:
https://access.redhat.com/security/cve/CVE-2022-43680
https://access.redhat.com/security/updates/classification/#moderate
8. 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.
