Out-of-bounds Array Access in FFmpeg JPEG 2000 Decoding

CVE-2015-8662 · HIGH Severity

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

The ff_dwt_decode function in libavcodec/jpeg2000dwt.c in FFmpeg before 2.8.4 does not validate the number of decomposition levels before proceeding with Discrete Wavelet Transform decoding, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted JPEG 2000 data.

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