CVE 2011-2160
The VC-1 decoding functionality in FFmpeg before 0.5.4, as used in MPlayer and other products, does not properly restrict read operations, which allows remote attackers to have an unspecified impact via a crafted VC-1 file, a related issue to CVE-2011-0723.
See the
CVE page on Mitre.org
for more details.