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Red Hat Enterprise Linux 8 RHSA-2022-6878-01 Important: Expat DoS

red hat
Calendar Grey October 11, 2022
Dist Redhat Esm H88
Ubuntu announces critical patch for libxml, addressing buffer overflow vulnerability linked to CVE-2022-40675 for LTS 20.04 users.
An update for expat 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

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: 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 security update red hat vulnerability important doS expat

References

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

Package List

Red Hat Enterprise Linux BaseOS (v. 8):
Source: expat-2.2.5-8.el8_6.3.src.rpm
aarch64: expat-2.2.5-8.el8_6.3.aarch64.rpm expat-debuginfo-2.2.5-8.el8_6.3.aarch64.rpm expat-debugsource-2.2.5-8.el8_6.3.aarch64.rpm expat-devel-2.2.5-8.el8_6.3.aarch64.rpm
ppc64le: expat-2.2.5-8.el8_6.3.ppc64le.rpm expat-debuginfo-2.2.5-8.el8_6.3.ppc64le.rpm expat-debugsource-2.2.5-8.el8_6.3.ppc64le.rpm expat-devel-2.2.5-8.el8_6.3.ppc64le.rpm
s390x: expat-2.2.5-8.el8_6.3.s390x.rpm expat-debuginfo-2.2.5-8.el8_6.3.s390x.rpm expat-debugsource-2.2.5-8.el8_6.3.s390x.rpm expat-devel-2.2.5-8.el8_6.3.s390x.rpm
x86_64: expat-2.2.5-8.el8_6.3.i686.rpm expat-2.2.5-8.el8_6.3.x86_64.rpm expat-debuginfo-2.2.5-8.el8_6.3.i686.rpm expat-debuginfo-2.2.5-8.el8_6.3.x86_64.rpm expat-debugsource-2.2.5-8.el8_6.3.i686.rpm expat-debugsource-2.2.5-8.el8_6.3.x86_64.rpm expat-devel-2.2.5-8.el8_6.3.i686.rpm expat-devel-2.2.5-8.el8_6.3.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-2022:6878-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:6878
Issue date: 2022-10-11

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 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 security update red hat vulnerability important doS expat

Relevant Releases Architectures

Red Hat Enterprise Linux BaseOS (v. 8) - aarch64, ppc64le, 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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