From 6e774cf67e6f30feb9b3dec11713d6b6dc0b521c Mon Sep 17 00:00:00 2001 From: Laurent Aimar Date: Fri, 30 Sep 2011 00:05:51 +0200 Subject: [PATCH] Check for out of bounds writes in the Delphine Software International CIN decoder. Signed-off-by: Michael Niedermayer (cherry picked from commit 3035c4034b6af3ad47f921e3385196e1b9d44ddf) --- libavcodec/dsicinav.c | 2 ++ 1 file changed, 2 insertions(+) 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;