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Check for out of bounds reads in the Delphine Software International CIN decoder.

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Laurent Aimar 2011-09-30 00:05:50 +02:00 • committed by Michael Niedermayer
parent 44e2f0c3cd
commit 8e5f093c2c
1 changed files with 2 additions and 0 deletions
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2
libavcodec/dsicinav.c
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@ -217,6 +217,8 @@ static int cinvideo_decode_frame(AVCodecContext *avctx,
bitmap_frame_size = buf_size - 4;
/* handle palette */
if (bitmap_frame_size < palette_colors_count * (3 + (palette_type != 0)))
return AVERROR_INVALIDDATA;
if (palette_type == 0) {
for (i = 0; i < palette_colors_count; ++i) {
cin->palette[i] = bytestream_get_le24(&buf);