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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.

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

Gentoo: GLSA-201507-08: libxml2: Denial of Service

A vulnerability in libxml2 allows a remote attacker to cause Denial of Service.

Summary

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

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.

Severity
Severity: Normal
Title: libxml2: Denial of Service
Date: July 07, 2015
Bugs: #546720
ID: 201507-08

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

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.

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