[FFmpeg-devel] [PATCH 5/8] Check for out of bounds reads in the Delphine Software International CIN decoder.
fenrir at elivagar.org
fenrir at elivagar.org
Fri Sep 30 00:05:50 CEST 2011
From: Laurent Aimar <fenrir at videolan.org>
---
libavcodec/dsicinav.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/libavcodec/dsicinav.c b/libavcodec/dsicinav.c
index 27f4204..691b597 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);
--
1.7.2.5
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