"MPlayer is a movie player which runs on many systems (see the documentation). It plays most MPEG/VOB, AVI, Ogg/OGM, VIVO, ASF/WMA/WMV, QT/MOV/MP4, RealMedia, Matroska, NUT, NuppelVideo, FLI, YUV4MPEG, FILM, RoQ, PVA files, supported by many native, XAnim, and Win32 DLL codecs. You can watch VideoCD, SVCD, DVD, 3ivx, DivX 3/4/5 and even WMV movies.." Two vulnerabilities have been discovered in MPlayer which allow attackers to cause it to crash by tricking MPlayer into accessing a malformed IPv6 addresses or by responding to it with an arbitrary long CDDB entry.
http://www.securiteam.com/unixfocus/5UP0A1FNGY.html
