[ GLSA 201110-26 ] libxml2: Multiple vulnerabilities

[Tim Sammut <underling () gentoo org>]

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Gentoo Linux Security Advisory                           GLSA 201110-26
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                                            http://security.gentoo.org/
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 Severity: High
    Title: libxml2: Multiple vulnerabilities
     Date: October 26, 2011
     Bugs: #345555, #370715, #386985
       ID: 201110-26

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Synopsis
========

Multiple vulnerabilities were found in libxml2 which could lead to
execution of arbitrary code or a Denial of Service.

Background
==========

libxml2 is the XML C parser and toolkit developed for the Gnome
project.

Affected packages
=================

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  dev-libs/libxml2            < 2.7.8-r3               >= 2.7.8-r3

Description
===========

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

Impact
======

A local or remote attacker may be able to execute arbitrary code with
the privileges of the application or cause a Denial of Service.

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/libxml2-2.7.8-r3"

References
==========

[ 1 ] CVE-2010-4008
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4008
[ 2 ] CVE-2010-4494
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2010-4494
[ 3 ] CVE-2011-1944
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-1944
[ 4 ] CVE-2011-2821
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2821
[ 5 ] CVE-2011-2834
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2011-2834

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

 http://security.gentoo.org/glsa/glsa-201110-26.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 2011 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.

http://creativecommons.org/licenses/by-sa/2.5

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