GLSA 202107-05: libxml2: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	low
Title:	libxml2: Multiple vulnerabilities
Date:	07/06/2021
Bugs:	#749849, #790002
ID:	202107-05

Synopsis

Multiple vulnerabilities have been found in libxml2, the worst of which could result in a Denial of Service condition.

Background

libxml2 is the XML (eXtended Markup Language) C parser and toolkit initially developed for the GNOME project.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-libs/libxml2	< 2.9.11	>= 2.9.11	All supported architectures

Description

Multiple vulnerabilities have been discovered in libxml2. Please review the CVE identifiers referenced below for details.

Impact

A remote attacker could entice a user to process a specially crafted XML document using an application linked against libxml2, possibly resulting in a Denial of Service condition or obtaining sensitive information.

Workaround

There is no known workaround at this time.

Resolution

All libxml2 users should upgrade to the latest version:

      # emerge --sync
      # emerge --ask --oneshot --verbose ">=dev-libs/libxml2-2.9.12-r3"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-202107-05.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.