GLSA 202210-38: Expat: Denial of Service

http://security.gentoo.org/

Severity:	low
Title:	Expat: Denial of Service
Date:	10/31/2022
Bugs:	#878271
ID:	202210-38

Synopsis

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

Background

Expat is a set of XML parsing libraries.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-libs/expat	< 2.5.0	>= 2.5.0	All supported architectures

Description

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

Impact

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

Workaround

There is no known workaround at this time.

Resolution

All Expat users should upgrade to the latest version:

          # emerge --sync
          # emerge --ask --oneshot --verbose ">=dev-libs/expat-2.5.0"

References

CVE-2022-43680

Availability

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

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.