Debian: DSA-2306-1 Moderate: FFmpeg Remote Access Threats

Several vulnerabilities have been discovered in ffmpeg, a multimedia player,
server and encoder.
The Common Vulnerabilities and Exposures project identifies the following
problems:


CVE-2010-3908

FFmpeg before 0.5.4, allows remote attackers to cause a denial of service
(memory corruption and application crash) or possibly execute arbitrary code
via a malformed WMV file.


CVE-2010-4704

libavcodec/vorbis_dec.c in the Vorbis decoder in FFmpeg allows remote
attackers to cause a denial of service (application crash) via a crafted
.ogg file, related to the vorbis_floor0_decode function.


CVE-2011-0480

Multiple buffer overflows in vorbis_dec.c in the Vorbis decoder in FFmpeg
allow remote attackers to cause a denial of service (memory corruption and
application crash) or possibly have unspecified other impact via a crafted
WebM file, related to buffers for the channel floor and the channel residue.


CVE-2011-0722

FFmpeg allows remote attackers to cause a denial of service (heap m...