PRIOn knowledge basePRION:CVE-2011-4579Memory corruption
The svq1_decode_frame function in the SVQ1 decoder (svq1dec.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (memory corruption) via a crafted SVQ1 stream, related to “dimensions changed.”
References
ffmpeg.org/
git.libav.org/?p=libav.git;a=commit;h=6e24b9488e67849a28e64a8056e05f83cf439229
git.videolan.org/?p=ffmpeg.git;a=commit;h=6e24b9488e67849a28e64a8056e05f83cf439229
libav.org/
ubuntu.com/usn/usn-1320-1
ubuntu.com/usn/usn-1333-1
www.mandriva.com/security/advisories?name=MDVSA-2012:074
www.mandriva.com/security/advisories?name=MDVSA-2012:075
www.mandriva.com/security/advisories?name=MDVSA-2012:076
www.securityfocus.com/archive/1/520620
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