CVE-2015-6820: Improper Restriction of Operations within the Bounds of a Memory Buffer

The ffsbrapply function in libavcodec/aacsbr.c in FFmpeg before 2.7.2 does not check for a matching AAC frame syntax element before proceeding with Spectral Band Replication calculations, which allows remote attackers to cause a denial of service out-of-bounds array access or possibly have...