From f7b57add8ee0cb234617ca1c86e2d334b50fdc38 Mon Sep 17 00:00:00 2001
From: Michael Niedermayer <michaelni@gmx.at>
Date: Sat, 10 Mar 2012 08:04:34 +0100
Subject: cook: tighten the quant_index_table range further.

Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/cook.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'libavcodec/cook.c')

diff --git a/libavcodec/cook.c b/libavcodec/cook.c
index fbd910e243..db4245c236 100644
--- a/libavcodec/cook.c
+++ b/libavcodec/cook.c
@@ -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;
         }
-- 
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