Home / mailings [RHSA-2023:0173-01] Moderate: libxml2 security update
Posted on 16 January 2023
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Moderate: libxml2 security update
Advisory ID: RHSA-2023:0173-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0173
Issue date: 2023-01-16
CVE Names: CVE-2022-40303 CVE-2022-40304
=====================================================================
1. Summary:
An update for libxml2 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.
2. Relevant releases/architectures:
Red Hat Enterprise Linux AppStream (v. 8) - aarch64, ppc64le, s390x, x86_64
Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, s390x, x86_64
3. Description:
The libxml2 library is a development toolbox providing the implementation
of various XML standards.
Security Fix(es):
* libxml2: integer overflows with XML_PARSE_HUGE (CVE-2022-40303)
* libxml2: dict corruption caused by entity reference cycles
(CVE-2022-40304)
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
The desktop must be restarted (log out, then log back in) for this update
to take effect.
5. Bugs fixed (https://bugzilla.redhat.com/):
2136266 - CVE-2022-40303 libxml2: integer overflows with XML_PARSE_HUGE
2136288 - CVE-2022-40304 libxml2: dict corruption caused by entity reference cycles
6. Package List:
Red Hat Enterprise Linux AppStream (v. 8):
aarch64:
libxml2-debuginfo-2.9.7-15.el8_7.1.aarch64.rpm
libxml2-debugsource-2.9.7-15.el8_7.1.aarch64.rpm
libxml2-devel-2.9.7-15.el8_7.1.aarch64.rpm
python3-libxml2-debuginfo-2.9.7-15.el8_7.1.aarch64.rpm
ppc64le:
libxml2-debuginfo-2.9.7-15.el8_7.1.ppc64le.rpm
libxml2-debugsource-2.9.7-15.el8_7.1.ppc64le.rpm
libxml2-devel-2.9.7-15.el8_7.1.ppc64le.rpm
python3-libxml2-debuginfo-2.9.7-15.el8_7.1.ppc64le.rpm
s390x:
libxml2-debuginfo-2.9.7-15.el8_7.1.s390x.rpm
libxml2-debugsource-2.9.7-15.el8_7.1.s390x.rpm
libxml2-devel-2.9.7-15.el8_7.1.s390x.rpm
python3-libxml2-debuginfo-2.9.7-15.el8_7.1.s390x.rpm
x86_64:
libxml2-debuginfo-2.9.7-15.el8_7.1.i686.rpm
libxml2-debuginfo-2.9.7-15.el8_7.1.x86_64.rpm
libxml2-debugsource-2.9.7-15.el8_7.1.i686.rpm
libxml2-debugsource-2.9.7-15.el8_7.1.x86_64.rpm
libxml2-devel-2.9.7-15.el8_7.1.i686.rpm
libxml2-devel-2.9.7-15.el8_7.1.x86_64.rpm
python3-libxml2-debuginfo-2.9.7-15.el8_7.1.i686.rpm
python3-libxml2-debuginfo-2.9.7-15.el8_7.1.x86_64.rpm
Red Hat Enterprise Linux BaseOS (v. 8):
Source:
libxml2-2.9.7-15.el8_7.1.src.rpm
aarch64:
libxml2-2.9.7-15.el8_7.1.aarch64.rpm
libxml2-debuginfo-2.9.7-15.el8_7.1.aarch64.rpm
libxml2-debugsource-2.9.7-15.el8_7.1.aarch64.rpm
python3-libxml2-2.9.7-15.el8_7.1.aarch64.rpm
python3-libxml2-debuginfo-2.9.7-15.el8_7.1.aarch64.rpm
ppc64le:
libxml2-2.9.7-15.el8_7.1.ppc64le.rpm
libxml2-debuginfo-2.9.7-15.el8_7.1.ppc64le.rpm
libxml2-debugsource-2.9.7-15.el8_7.1.ppc64le.rpm
python3-libxml2-2.9.7-15.el8_7.1.ppc64le.rpm
python3-libxml2-debuginfo-2.9.7-15.el8_7.1.ppc64le.rpm
s390x:
libxml2-2.9.7-15.el8_7.1.s390x.rpm
libxml2-debuginfo-2.9.7-15.el8_7.1.s390x.rpm
libxml2-debugsource-2.9.7-15.el8_7.1.s390x.rpm
python3-libxml2-2.9.7-15.el8_7.1.s390x.rpm
python3-libxml2-debuginfo-2.9.7-15.el8_7.1.s390x.rpm
x86_64:
libxml2-2.9.7-15.el8_7.1.i686.rpm
libxml2-2.9.7-15.el8_7.1.x86_64.rpm
libxml2-debuginfo-2.9.7-15.el8_7.1.i686.rpm
libxml2-debuginfo-2.9.7-15.el8_7.1.x86_64.rpm
libxml2-debugsource-2.9.7-15.el8_7.1.i686.rpm
libxml2-debugsource-2.9.7-15.el8_7.1.x86_64.rpm
python3-libxml2-2.9.7-15.el8_7.1.x86_64.rpm
python3-libxml2-debuginfo-2.9.7-15.el8_7.1.i686.rpm
python3-libxml2-debuginfo-2.9.7-15.el8_7.1.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-2022-40303
https://access.redhat.com/security/cve/CVE-2022-40304
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.
