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Gentoo Linux Security Advisory 201507-08

Gentoo Linux Security Advisory 201507-08
Posted Jul 7, 2015
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201507-8 - A vulnerability in libxml2 allows a remote attacker to cause Denial of Service. Versions less than 2.9.2-r1 are affected.

tags | advisory, remote, denial of service
systems | linux, gentoo
advisories | CVE-2015-1819
MD5 | 0256ee3a28012af513fcb7aa0c303989

Gentoo Linux Security Advisory 201507-08

Change Mirror Download
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Gentoo Linux Security Advisory GLSA 201507-08
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https://security.gentoo.org/
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Severity: Normal
Title: libxml2: Denial of Service
Date: July 07, 2015
Bugs: #546720
ID: 201507-08

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Synopsis
========

A vulnerability in libxml2 allows a remote attacker to cause 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 < 2.9.2-r1 >= 2.9.2-r1

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

libxml2 returns the empty string when the allocation limit is
encountered while constructing the attribute value string.

Impact
======

A remote attacker may be able to cause Denial of Service via a
specially crafted XML file.

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/libxml2-2.9.2-r1"

References
==========

[ 1 ] CVE-2015-1819
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1819

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

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

https://security.gentoo.org/glsa/201507-08

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 2015 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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