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[gentoo-announce] [ GLSA 201110-26 ] libxml2: Multiple vulnerabilities

Posted on 27 October 2011
Gentoo-announce

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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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