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Gentoo: GLSA-202210-39 Low Severity: Expat Service Disruption Threat

gentoo
Calendar Grey October 31, 2022
Dist Gentoo Esm H88
An exploit in Expat may cause service interruptions. It is critical to update promptly to prevent issues on Gentoo platforms.
A vulnerability has been found in Expat which could result in denial of service.

Summary

In certain out-of-memory situations, Expat may free memory before it should, leading to a use-after-free.

Topics%20covered

Topics Covered

security advisory denial of service gentoo low severity expat xml parsing

Resolution

All Expat users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=dev-libs/expat-2.5.0"

References

[ 1 ] CVE-2022-43680 https://nvd.nist.gov/vuln/detail/CVE-2022-43680

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/202210-38
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Concerns

Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.

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Severity: Low
Title: Expat: Denial of Service
Date: October 31, 2022
Bugs: #878271
ID: 202210-38

Topics%20covered

Topics Covered

security advisory denial of service gentoo low severity expat xml parsing

Synopsis

A vulnerability has been found in Expat which could result in denial of service.

Background

Expat is a set of XML parsing libraries.

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Affected Packages

------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 dev-libs/expat < 2.5.0 >= 2.5.0

Impact

===== A use-after-free can result in denial of service.

Workaround

There is no known workaround at this time.

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