From 9991298f2c4d9022ad56057f15d037e18d454157 Mon Sep 17 00:00:00 2001 From: Luca Barbato Date: Sun, 4 Aug 2013 18:48:20 +0200 Subject: bink: Bound check the quantization matrix. Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org --- libavcodec/bink.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'libavcodec/bink.c') diff --git a/libavcodec/bink.c b/libavcodec/bink.c index 7ec0cabaed..98a54c6969 100644 --- a/libavcodec/bink.c +++ b/libavcodec/bink.c @@ -681,6 +681,9 @@ static int read_dct_coeffs(GetBitContext *gb, int32_t block[64], const uint8_t * quant_idx = q; } + if (quant_idx >= 16) + return AVERROR_INVALIDDATA; + quant = quant_matrices[quant_idx]; block[0] = (block[0] * quant[0]) >> 11; -- cgit v1.2.3