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RHEL 6: RHSA-2022-6967-01 Important: compat-expat1 Use-After-Free

red hat
Calendar Grey October 17, 2022
Dist Redhat Esm H88
A critical patch for compat-expat1 in Red Hat Enterprise Linux resolves a memory mismanagement flaw during XML interpretation.
An update for compat-expat1 is now available for Red Hat Enterprise Linux 6 Extended Lifecycle 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

Summary

Expat is a C library for parsing XML documents.
Security Fix(es):
* expat: a use-after-free in the doContent function in xmlparse.c (CVE-2022-40674)
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 red hat important use-after-free xml parsing

References

https://access.redhat.com/security/cve/CVE-2022-40674 https://access.redhat.com/security/updates/classification#important

Package List

Red Hat Enterprise Linux Server (v. 6 ELS):
Source: compat-expat1-1.95.8-9.el6_10.src.rpm
i386: compat-expat1-1.95.8-9.el6_10.i686.rpm compat-expat1-debuginfo-1.95.8-9.el6_10.i686.rpm
s390x: compat-expat1-1.95.8-9.el6_10.s390.rpm compat-expat1-1.95.8-9.el6_10.s390x.rpm compat-expat1-debuginfo-1.95.8-9.el6_10.s390.rpm compat-expat1-debuginfo-1.95.8-9.el6_10.s390x.rpm
x86_64: compat-expat1-1.95.8-9.el6_10.i686.rpm compat-expat1-1.95.8-9.el6_10.x86_64.rpm compat-expat1-debuginfo-1.95.8-9.el6_10.i686.rpm compat-expat1-debuginfo-1.95.8-9.el6_10.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-2022:6967-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:6967
Issue date: 2022-10-17

Topic

An update for compat-expat1 is now available for Red Hat Enterprise Linux 6Extended Lifecycle Support.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory red hat important use-after-free xml parsing

Relevant Releases Architectures

Red Hat Enterprise Linux Server (v. 6 ELS) - i386, s390x, x86_64

Bugs Fixed

2130769 - CVE-2022-40674 expat: a use-after-free in the doContent function in xmlparse.c

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