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. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2012-6618