From 8e5f093c2cf13eab3d68d893bf8f30c56ba4e733 Mon Sep 17 00:00:00 2001
From: Laurent Aimar <fenrir@videolan.org>
Date: Fri, 30 Sep 2011 00:05:50 +0200
Subject: [PATCH] Check for out of bounds reads in the Delphine Software
 International CIN decoder.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
---
 libavcodec/dsicinav.c | 2 ++
 1 file changed, 2 insertions(+)

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);