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Gentoo Linux Security Advisory                           GLSA 201606-03
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: libjpeg-turbo: Multiple vulnerabilities
     Date: June 05, 2016
     Bugs: #491150, #531418
       ID: 201606-03

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Synopsis
=======
Two vulnerabilities have been discovered in libjpeg-turbo, the worse of
which could allow remote attackers access to  sensitive information.

Background
=========
libjpeg-turbo is a MMX, SSE, and SSE2 SIMD accelerated JPEG library

Affected packages
================
    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  media-libs/libjpeg-turbo
                                  < 1.4.2                    >= 1.4.2

Description
==========
libjpeg-turbo does not check for certain duplications of component data
during the reading of segments that follow Start Of Scan (SOS) JPEG
markers.

Impact
=====
Remote attackers could obtain sensitive information from uninitialized
memory locations via a crafted JPEG images.

Workaround
=========
There is no known workaround at this time.

Resolution
=========
All libjpeg-turbo users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=media-libs/libjpeg-turbo-1.4.2"

References
=========
[ 1 ] CVE-2013-6629
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6629
[ 2 ] CVE-2013-6630
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2013-6630

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

 https://security.gentoo.org/glsa/201606-03

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 2016 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/