The av_probe_input_buffer function in libavformat/utils.c in FFmpeg before 1.0.2, when running with certain -probesize values, allows remote attackers to cause a denial of service (crash) via a crafted MP3 file, possibly related to frame size or lack of sufficient "frames to estimate rate."
Improper Restriction of Operations within the Bounds of a Memory Buffer The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.