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pafdec: fix wrong palette index check. 

Fixes Ticket1641

Found-by: Piotr Bandurski <ami_stuff@o2.pl>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-08-15 01:57:45 +02:00
parent 02f12de1c2
commit 456f0c6477
1 changed files with 1 additions and 1 deletions
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2
libavcodec/paf.c
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@ -276,7 +276,7 @@ static int paf_vid_decode(AVCodecContext *avctx, void *data,
index = bytestream2_get_byte(&c->gb);
count = bytestream2_get_byte(&c->gb) + 1;
if (index + count > AVPALETTE_SIZE)
if (index + count > 256)
return AVERROR_INVALIDDATA;
if (bytestream2_get_bytes_left(&c->gb) < 3 * AVPALETTE_SIZE)
return AVERROR_INVALIDDATA;