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| author | Laurent Aimar <fenrir@videolan.org> | 2011-09-30 00:05:51 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-09-30 02:09:58 +0200 |
| commit | 3035c4034b6af3ad47f921e3385196e1b9d44ddf (patch) | |
| tree | 2e3c984e75b92697c97bed40b62892c1cc9991a7 | |
| parent | 8e5f093c2cf13eab3d68d893bf8f30c56ba4e733 (diff) | |
| download | ffmpeg-3035c4034b6af3ad47f921e3385196e1b9d44ddf.tar.gz | |
Check for out of bounds writes in the Delphine Software International CIN decoder.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/dsicinav.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/dsicinav.c b/libavcodec/dsicinav.c index 691b5978bf..05d9e4cc14 100644 --- a/libavcodec/dsicinav.c +++ b/libavcodec/dsicinav.c @@ -220,6 +220,8 @@ static int cinvideo_decode_frame(AVCodecContext *avctx, if (bitmap_frame_size < palette_colors_count * (3 + (palette_type != 0))) return AVERROR_INVALIDDATA; if (palette_type == 0) { + if (palette_colors_count > 256) + return AVERROR_INVALIDDATA; for (i = 0; i < palette_colors_count; ++i) { cin->palette[i] = bytestream_get_le24(&buf); bitmap_frame_size -= 3; |