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cook: tighten the quant_index_table range further. 

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-03-10 08:04:34 +01:00
parent 8e31dbc1dc
commit f7b57add8e
1 changed files with 1 additions and 1 deletions
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2
libavcodec/cook.c
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@ -389,7 +389,7 @@ static int decode_envelope(COOKContext *q, COOKSubpacket *p,
q->envelope_quant_index[vlc_index - 1].bits, 2);
quant_index_table[i] = quant_index_table[i - 1] + j - 12; // differential encoding
if (quant_index_table[i] < -63 || quant_index_table[i] > 64) {
if (quant_index_table[i] < -63 || quant_index_table[i] > 63) {
av_log(NULL, AV_LOG_ERROR, "quant_index_table value out of bounds\n");
return AVERROR_INVALIDDATA;
}