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Red Hat Enterprise Linux 8.4 RHSA-2022-4834-01 Moderate: Expat Overflow

red hat
Calendar Grey May 31, 2022
Dist Redhat Esm H88
A new expat update has been released for Red Hat Enterprise Linux 8.4, addressing a security vulnerability of medium severity. Discover more about the resolution.
An update for expat is now available for Red Hat Enterprise Linux 8.4 Extended Update Support

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: Integer overflow in function XML_GetBuffer (CVE-2022-23852)
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 update buffer overflow red hat overflow expat

References

https://access.redhat.com/security/cve/CVE-2022-23852 https://access.redhat.com/security/updates/classification/#moderate

Package List

Red Hat Enterprise Linux BaseOS EUS (v.8.4):
Source: expat-2.2.5-4.el8_4.3.src.rpm
aarch64: expat-2.2.5-4.el8_4.3.aarch64.rpm expat-debuginfo-2.2.5-4.el8_4.3.aarch64.rpm expat-debugsource-2.2.5-4.el8_4.3.aarch64.rpm expat-devel-2.2.5-4.el8_4.3.aarch64.rpm
ppc64le: expat-2.2.5-4.el8_4.3.ppc64le.rpm expat-debuginfo-2.2.5-4.el8_4.3.ppc64le.rpm expat-debugsource-2.2.5-4.el8_4.3.ppc64le.rpm expat-devel-2.2.5-4.el8_4.3.ppc64le.rpm
s390x: expat-2.2.5-4.el8_4.3.s390x.rpm expat-debuginfo-2.2.5-4.el8_4.3.s390x.rpm expat-debugsource-2.2.5-4.el8_4.3.s390x.rpm expat-devel-2.2.5-4.el8_4.3.s390x.rpm
x86_64: expat-2.2.5-4.el8_4.3.i686.rpm expat-2.2.5-4.el8_4.3.x86_64.rpm expat-debuginfo-2.2.5-4.el8_4.3.i686.rpm expat-debuginfo-2.2.5-4.el8_4.3.x86_64.rpm expat-debugsource-2.2.5-4.el8_4.3.i686.rpm expat-debugsource-2.2.5-4.el8_4.3.x86_64.rpm expat-devel-2.2.5-4.el8_4.3.i686.rpm expat-devel-2.2.5-4.el8_4.3.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/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:4834-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:4834
Issue date: 2022-05-31

Topic

An update for expat is now available for Red Hat Enterprise Linux 8.4Extended Update Support.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 update buffer overflow red hat overflow expat

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS EUS (v.8.4) - aarch64, ppc64le, s390x, x86_64

Bugs Fixed

2044613 - CVE-2022-23852 expat: Integer overflow in function XML_GetBuffer

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