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Red Hat Enterprise Linux 8 Advisory RHSA-2023:0173-01 Libxml2 Update Moderate

red hat
Calendar Grey January 16, 2023
Dist Redhat Esm H88
A crucial enhancement for libxml2 fortifies protections against possible buffer overflow threats and issues linked to dictionaries. Make sure to update promptly!
An update for libxml2 is now available for Red Hat Enterprise Linux 8

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.

Summary

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.

Topics%20covered

Topics Covered

security advisory moderate security update Red Hat Enterprise Linux integer overflow libxml2 dict corruption

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

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

Read the Full Advisory


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

Topic

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 impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate security update Red Hat Enterprise Linux integer overflow libxml2 dict corruption

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

Bugs Fixed

2136266 - CVE-2022-40303 libxml2: integer overflows with XML_PARSE_HUGE

2136288 - CVE-2022-40304 libxml2: dict corruption caused by entity reference cycles

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