GLSA 201701-21: Expat: Multiple vulnerabilities

http://security.gentoo.org/

Severity:	normal
Title:	Expat: Multiple vulnerabilities
Date:	01/11/2017
Bugs:	#458742, #555642, #577928, #583268, #585510
ID:	201701-21

Synopsis

Multiple vulnerabilities have been found in Expat, the worst of which may allow execution of arbitrary code.

Background

Expat is a set of XML parsing libraries.

Affected packages

Package	Vulnerable	Unaffected	Architecture(s)
dev-libs/expat	< 2.2.0-r1	>= 2.2.0-r1	All supported architectures

Description

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

Impact

A remote attacker, by enticing a user to process a specially crafted XML file, could execute arbitrary code with the privileges of the process or cause a Denial of Service condition. This attack could also be used against automated systems that arbitrarily process XML files.

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-2.2.0-r1"

References

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201701-21.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.