Uninitialized Context Data Vulnerability in FFmpeg's ALAC Decoder

CVE-2015-6823 · HIGH Severity

AV:N/AC:L/AU:N/C:P/I:P/A:P

The allocate_buffers function in libavcodec/alac.c in FFmpeg before 2.7.2 does not initialize certain context data, which allows remote attackers to cause a denial of service (segmentation violation) or possibly have unspecified other impact via crafted Apple Lossless Audio Codec (ALAC) data.

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