The ff_h264_decode_seq_parameter_set function in h264_ps.c in libavcodec in FFmpeg before 0.9.1 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted H.264 file, related to the chroma_format_idc value.

References

• https://nvd.nist.gov/vuln/detail/CVE-2012-0851
• https://exchange.xforce.ibmcloud.com/vulnerabilities/78933
• http://ffmpeg.org/security.html
• http://ffmpeg.org/trac/ffmpeg/ticket/758
• http://git.videolan.org/?p=ffmpeg.git;a=commit;h=7fff64e00d886fde11d61958888c82b461cf99b9
• http://libav.org/
• http://www.debian.org/security/2012/dsa-2494
• http://www.mandriva.com/security/advisories?name=MDVSA-2013:079
• http://www.openwall.com/lists/oss-security/2012/02/14/4
• http://www.ubuntu.com/usn/USN-1479-1