• [SECURITY] [DSA 2336-1] ffmpeg security update

    From Yves-Alexis Perez@1:229/2 to All on Mon Nov 7 20:20:02 2011
    From: [email protected]

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    - ------------------------------------------------------------------------- Debian Security Advisory DSA-2336-1 [email protected] http://www.debian.org/security/ Yves-Alexis Perez November 07, 2011 http://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package : ffmpeg
    Vulnerability : several
    Problem type : remote
    Debian-specific: no
    CVE ID : CVE-2011-3362 CVE-2011-3973 CVE-2011-3974 CVE-2011-3504
    Debian Bug : 641478

    Multiple vulnerabilities were found in the ffmpeg, a multimedia player,
    server and encoder:

    CVE-2011-3362

    An integer signedness error in decode_residual_block function of
    the Chinese AVS video (CAVS) decoder in libavcodec can lead to
    denial of service (memory corruption and application crash) or
    possible code execution via a crafted CAVS file.

    CVE-2011-3973/CVE-2011-3974

    Multiple errors in the Chinese AVS video (CAVS) decoder can lead to
    denial of service (memory corruption and application crash) via an
    invalid bitstream.

    CVE-2011-3504

    A memory allocation problem in the Matroska format decoder can lead
    to code execution via a crafted file.

    For the stable distribution (squeeze), this problem has been fixed in
    version 4:0.5.5-1.

    For the unstable distribution (sid), this problem has been fixed in
    version 4:0.7.2-1 of the libav source package.

    Security support for ffmpeg has been discontinued for the oldstable distribution (lenny) before in DSA 2306.
    The current version in oldstable is not supported by upstream anymore
    and is affected by several security issues. Backporting fixes for these
    and any future issues has become unfeasible and therefore we needed to
    drop our security support for the version in oldstable.

    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: [email protected]
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