Stack-based buffer overflow in mplayerc.exe in Media Player Classic (MPC) 6.4.9, when used with the 3ivx 4.5.1 or 5.0.1 codec, allows remote attackers to execute arbitrary code via a certain .mp4 file, possibly a related issue to CVE-2007-6401.
http://www.vupen.com/english/advisories/2007/4141
http://www.securitytracker.com/id?1019064
http://www.securityfocus.com/archive/1/484832/100/100/threaded
http://www.securityfocus.com/archive/1/484781/100/0/threaded