GLSA 201701-37: libxml2: Multiple vulnerabilities

Severity:	normal
Title:	libxml2: Multiple vulnerabilities
Date:	01/16/2017
Bugs:	#564776, #566374, #572878, #573820, #577998, #582538, #582540, #583888, #589816, #597112, #597114, #597116
ID:	201701-37

Synopsis

Multiple vulnerabilities have been found in libxml2, the worst of which could lead to the execution of arbitrary code.

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	< 2.9.4-r1	>= 2.9.4-r1	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 or automated system to process a specially crafted XML document, possibly resulting in execution of arbitrary code with the privileges of the process or a Denial of Service condition.

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/libxml2-2.9.4-r1"
    

References

• CVE-2015-1819
• CVE-2015-5312
• CVE-2015-7497
• CVE-2015-7498
• CVE-2015-7499
• CVE-2015-7500
• CVE-2015-7941
• CVE-2015-7942
• CVE-2015-8035
• CVE-2015-8242
• CVE-2015-8806
• CVE-2016-1836
• CVE-2016-1838
• CVE-2016-1839
• CVE-2016-1840
• CVE-2016-2073
• CVE-2016-3627
• CVE-2016-3705
• CVE-2016-4483
• CVE-2016-4658
• CVE-2016-5131

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website: http://security.gentoo.org/glsa/glsa-201701-37.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.

License

Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.