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Red Hat Enterprise Linux 9 RHSA-2023-0337-01 Moderate: Expat Issue

red hat
Calendar Grey January 23, 2023
Dist Redhat Esm H88
Update on security for expat in Red Hat Enterprise Linux 9 classified as moderate; encompasses relevant advisory and corrective measures.
An update for expat is now available for Red Hat Enterprise Linux 9

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.

Summary

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.

Topics%20covered

Topics Covered

security advisory security update Red Hat Enterprise Linux software fix xml parser security impact moderate expat issue

References

https://access.redhat.com/security/cve/CVE-2022-43680 https://access.redhat.com/security/updates/classification#moderate

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

Read the Full Advisory


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

Topic

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 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 security update Red Hat Enterprise Linux software fix xml parser security impact moderate expat issue

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

Bugs Fixed

2140059 - CVE-2022-43680 expat: use-after free caused by overeager destruction of a shared DTD in XML_ExternalEntityParserCreate

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