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| author | Laurent Aimar <fenrir@videolan.org> | 2011-09-30 00:05:50 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-09-30 02:09:57 +0200 |
| commit | 8e5f093c2cf13eab3d68d893bf8f30c56ba4e733 (patch) | |
| tree | a0394c451666419e6f8a2acc032e6b286db04231 /libavcodec/dsicinav.c | |
| parent | 44e2f0c3cd2df68659e07ed3d5eab4974794eb33 (diff) | |
Check for out of bounds reads in the Delphine Software International CIN decoder.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/dsicinav.c')
| -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 27f42041ba..691b5978bf 100644 --- a/libavcodec/dsicinav.c +++ b/libavcodec/dsicinav.c @@ -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); |