A ffmpeg security update has been released for Debian GNU/Linux

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Debian Security Advisory DSA-2494-1 security@debian.org
http://www.debian.org/security/ Florian Weimer
June 14, 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-2011-3951 CVE-2011-3952 CVE-2012-0851 CVE-2012-0852

It was discovered that ffmpeg, Debian's version of the libav media
codec suite, contains vulnerabilities in the DPCM codecs
(CVE-2011-3951), H.264 (CVE-2012-0851), ADPCM (CVE-2012-0852), and the
KMVC decoder (CVE-2011-3952).

In addition, this update contains bug fixes from the libav 0.5.9
upstream release.

For the stable distribution (squeeze), these problems have been fixed
in version 4:0.5.9-1.

For the unstable distribution (sid), these problems have been fixed in
version 6:0.8.3-1.

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/