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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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