CVE 2012-2794
Unspecified vulnerability in the decode_mb_info function in libavcodec/indeo5.c in FFmpeg before 0.11, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.4, has unknown impact and attack vectors in which the "allocated tile size ... mismatches parameters."
See the 
CVE page on Mitre.org
for more details.
