Integer overflow in the alac_decode_close function in libavcodec/alac.c in FFmpeg before 1.1 allows remote attackers to have an unspecified impact via a large number of samples per frame in Apple Lossless Audio Codec (ALAC) data, which triggers an out-of-bounds array access. http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2013-0855
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