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Gentoo Linux Security Advisory                           GLSA 201507-21
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: libXfont: Multiple vulnerabilities
     Date: July 22, 2015
     Bugs: #543620
       ID: 201507-21

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Synopsis
========

Multiple vulnerabilities have been found in libXfont, the worst of
which could result in execution of arbitrary code or Denial of Service.

Background
==========

libXfont is an X11 font rasterisation library.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  x11-libs/libXfont            < 1.5.1                   *>= 1.4.9 
                                                             >= 1.5.1 

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

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

Impact
======

A remote attacker could possibly execute arbitrary code or cause a
Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libXfont 1.4.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=x11-libs/libXfont-1.4.9"

All libXfont 1.5.x users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=x11-libs/libXfont-1.5.1"

References
==========

[ 1 ] CVE-2015-1802
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1802
[ 2 ] CVE-2015-1803
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1803
[ 3 ] CVE-2015-1804
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-1804

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

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

 https://security.gentoo.org/glsa/201507-21

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