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             AUSCERT External Security Bulletin Redistribution

                               ESB-2012.0466
                          ffmpeg security update
                                14 May 2012

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           ffmpeg
Publisher:         Debian
Operating System:  Debian GNU/Linux 6
                   UNIX variants (UNIX, Linux, OSX)
                   Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2012-0947 CVE-2012-0853 CVE-2011-3947
                   CVE-2011-3940 CVE-2011-3936 CVE-2011-3929
                   CVE-2011-3895 CVE-2011-3893 CVE-2011-3892

Reference:         ASB-2011.0101

Original Bulletin: 
   http://www.debian.org/security/2012/dsa-2471

Comment: This advisory references vulnerabilities in products which run on 
         platforms other than Debian. It is recommended that administrators 
         running ffmpeg check for an updated version of the software for 
         their operating system.

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Debian Security Advisory DSA-2471-1                   security@debian.org
http://www.debian.org/security/                        Moritz Muehlenhoff
May 13, 2012                           http://www.debian.org/security/faq
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Package        : ffmpeg
Vulnerability  : several
Problem type   : local(remote)
Debian-specific: no
CVE ID         : CVE-2011-3892 CVE-2011-3893 CVE-2011-3895 CVE-2011-3929 
                 CVE-2011-3936 CVE-2011-3940 CVE-2011-3947 CVE-2012-0853 
                 CVE-2012-0947

Several vulnerabilities have been discovered in FFmpeg, a multimedia 
player, server and encoder. Multiple input validations in the decoders/
demuxers for Westwood Studios VQA, Apple MJPEG-B, Theora, Matroska, 
Vorbis, Sony ATRAC3, DV, NSV, files could lead to the execution of
arbitrary code.

These issues were discovered by Aki Helin, Mateusz Jurczyk, Gynvael 
Coldwind, and Michael Niedermayer.

For the stable distribution (squeeze), this problem has been fixed in
version 4:0.5.8-1.

For the unstable distribution (sid), this problem has been fixed in
version 6:0.8.2-1 of libav.

We recommend that you upgrade your ffmpeg packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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