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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.

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

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