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Red Hat 8 RHSA-2023:0103-01 Moderate Expat Update: Security Fix

red hat
Calendar Grey January 12, 2023
Dist Redhat Esm H88
A recent advisory for expatriates using Red Hat Enterprise Linux has been issued, highlighting a moderate security vulnerability and the essential updates needed to mitigate the risk.
An update for expat is now available for Red Hat Enterprise Linux 8

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/articles/11258

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 moderate security update Red Hat update XML parser expat

References

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

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: expat-2.2.5-10.el8_7.1.src.rpm
aarch64: expat-2.2.5-10.el8_7.1.aarch64.rpm expat-debuginfo-2.2.5-10.el8_7.1.aarch64.rpm expat-debugsource-2.2.5-10.el8_7.1.aarch64.rpm expat-devel-2.2.5-10.el8_7.1.aarch64.rpm
ppc64le: expat-2.2.5-10.el8_7.1.ppc64le.rpm expat-debuginfo-2.2.5-10.el8_7.1.ppc64le.rpm expat-debugsource-2.2.5-10.el8_7.1.ppc64le.rpm expat-devel-2.2.5-10.el8_7.1.ppc64le.rpm
s390x: expat-2.2.5-10.el8_7.1.s390x.rpm expat-debuginfo-2.2.5-10.el8_7.1.s390x.rpm expat-debugsource-2.2.5-10.el8_7.1.s390x.rpm expat-devel-2.2.5-10.el8_7.1.s390x.rpm
x86_64: expat-2.2.5-10.el8_7.1.i686.rpm expat-2.2.5-10.el8_7.1.x86_64.rpm expat-debuginfo-2.2.5-10.el8_7.1.i686.rpm expat-debuginfo-2.2.5-10.el8_7.1.x86_64.rpm expat-debugsource-2.2.5-10.el8_7.1.i686.rpm expat-debugsource-2.2.5-10.el8_7.1.x86_64.rpm expat-devel-2.2.5-10.el8_7.1.i686.rpm expat-devel-2.2.5-10.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/


Advisory ID: RHSA-2023:0103-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:0103
Issue date: 2023-01-12

Topic

An update for expat is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactofModerate. A Common Vulnerability Scoring System (CVSS) base score, whichgivesa detailed severity rating, is available for each vulnerability from theCVElink(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate security update Red Hat update XML parser expat

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 8) - 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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