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From: Kristian Fiskerstrand <k_f@gentoo.org>
Reply-To: Gentoo Security <security@gentoo.org>
To: gentoo-announce@lists.gentoo.org
Message-ID: <be507c8f-5ac9-f1ef-35d1-27c9016f526c@gentoo.org>
Subject: [ GLSA 201705-08 ] libav: Multiple vulnerabilities

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Gentoo Linux Security Advisory                           GLSA 201705-08
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                                           https://security.gentoo.org/
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 Severity: Normal
    Title: libav: Multiple vulnerabilities
     Date: May 09, 2017
     Bugs: #552320, #571870, #600706
       ID: 201705-08

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Synopsis
========

Multiple vulnerabilities have been found in libav, the worst of which
may allow execution of arbitrary code.

Background
==========

Libav is a complete solution to record, convert and stream audio and
video.

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

    -------------------------------------------------------------------
     Package              /     Vulnerable     /            Unaffected
    -------------------------------------------------------------------
  1  media-video/libav             < 11.8                     >= 11.8

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

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

Impact
======

A remote attacker could entice a user to open a specially crafted media
file in an application linked against libav, possibly resulting in
execution of arbitrary code with the privileges of the application, a
Denial of Service condition or access the content of arbitrary local
files.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libav users should upgrade to the latest version:

  # emerge --sync
  # emerge --ask --oneshot --verbose ">=media-video/libav-11.8"

References
==========

[ 1 ] CVE-2015-3395
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3395
[ 2 ] CVE-2015-3417
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-3417
[ 3 ] CVE-2016-1897
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1897
[ 4 ] CVE-2016-1898
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-1898
[ 5 ] CVE-2016-2326
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2326
[ 6 ] CVE-2016-3062
      http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-3062

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

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

 https://security.gentoo.org/glsa/201705-08

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 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


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