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| author | Laurent Aimar <fenrir@videolan.org> | 2011-09-30 00:05:51 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-10-01 20:54:21 +0200 |
| commit | 6e774cf67e6f30feb9b3dec11713d6b6dc0b521c (patch) | |
| tree | ba07400a401f6443e0434475cf5414efff672c1d | |
| parent | 18cfe0238df259e4b541d28b465688bea4781b16 (diff) | |
| download | ffmpeg-6e774cf67e6f30feb9b3dec11713d6b6dc0b521c.tar.gz | |
Check for out of bounds writes in the Delphine Software International CIN decoder.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
(cherry picked from commit 3035c4034b6af3ad47f921e3385196e1b9d44ddf)
| -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 c33b3edc4c..faca821c7d 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; |