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Gentoo Linux Security Advisory                           GLSA 201706-24
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: jbig2dec: Multiple vulnerabilities
     Date: June 22, 2017
     Bugs: #545234, #607188
       ID: 201706-24

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Synopsis
========

Multiple vulnerabilities have been found in jbig2dec, the worst of
which might allow remote attackers to execute arbitrary code.

Background
==========

jbig2dec is a decoder implementation of the JBIG2 image compression
format.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  media-libs/jbig2dec         < 0.13-r1                 >= 0.13-r1

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

Multiple vulnerabilities have been discovered in jbig2dec. Please
review the CVE identifiers referenced below for details.

Impact
======

A remote attacker could entice a user or automated system to process a
specially crafted JBIG2 image file using an application linked against
jbig2dec library, possibly resulting in execution of arbitrary code
with the privileges of the process or a Denial of Service condition.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All jbig2dec users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=media-libs/jbig2dec-0.13-r1"

References
==========

[ 1 ] CVE-2016-9601
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-9601

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

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

 https://security.gentoo.org/glsa/201706-24

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 2017 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