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Expat library can be forced to crash

published 2 years ago

Summary

The Expat XML parsing library used in Red Hat systems has a flaw that could let an attacker cause the program to stop working or execute unintended code. This could affect any application that relies on Expat for processing XML data. Apply the latest Red Hat update for expat and its related packages to protect your systems.

What to do

Update redhat expat to version 0:2.2.5-8.el8_6.2.
Update redhat expat-debuginfo to version 0:2.2.5-8.el8_6.2.
Update redhat expat-debugsource to version 0:2.2.5-8.el8_6.2.
Update redhat expat-devel to version 0:2.2.5-8.el8_6.2.

Affected software

Ecosystem	Vendor	Product	Affected versions
Red Hat:enterprise_linux:8::baseos	redhat	expat	< 0:2.2.5-8.el8_6.2 Fix: upgrade to 0:2.2.5-8.el8_6.2
Red Hat:enterprise_linux:8::baseos	redhat	expat-debuginfo	< 0:2.2.5-8.el8_6.2 Fix: upgrade to 0:2.2.5-8.el8_6.2
Red Hat:enterprise_linux:8::baseos	redhat	expat-debugsource	< 0:2.2.5-8.el8_6.2 Fix: upgrade to 0:2.2.5-8.el8_6.2
Red Hat:enterprise_linux:8::baseos	redhat	expat-devel	< 0:2.2.5-8.el8_6.2 Fix: upgrade to 0:2.2.5-8.el8_6.2

Original advisory text

Red Hat Security Advisory: expat security update

References

https://access.redhat.com/errata/RHSA-2022:5314 Vendor Advisory
https://access.redhat.com/security/updates/classification/#moderate Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2056350 Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2056354 Third Party Advisory
https://security.access.redhat.com/data/csaf/v2/advisories/2022/rhsa-2022_5314.j... Vendor Advisory
https://access.redhat.com/security/cve/CVE-2022-25313 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2022-25313 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2022-25313 Vendor Advisory
https://blog.hartwork.org/posts/expat-2-4-5-released/ Third Party Advisory
https://access.redhat.com/security/cve/CVE-2022-25314 Third Party Advisory
https://www.cve.org/CVERecord?id=CVE-2022-25314 Vendor Advisory
https://nvd.nist.gov/vuln/detail/CVE-2022-25314 Vendor Advisory

Fix within

Internet-facing 14 days

Internal 60 days

Not known to be exploited
Can be exploited automatically (estimated)
Gives an attacker partial control (estimated)

Severity

7.5 High

Timeline

Published13 Sep 2024

Updated23 Sep 2026

First seen23 Sep 2026

Sources

RHSA-2022:5314 · OSV

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