CVE 2011-1684
Heap-based buffer overflow in the MP4_ReadBox_skcr function in libmp4.c in the MP4 demultiplexer in VideoLAN VLC media player 1.x before 1.1.9 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted MP4 file.
See the 
CVE page on Mitre.org
for more details.
