From 5ecabd3c54b7c802522dc338838c9a4c2dc42948 Mon Sep 17 00:00:00 2001 From: Luca Barbato Date: Mon, 25 May 2015 21:53:26 +0200 Subject: [PATCH] msrle: Use FFABS to determine the frame size in msrle_decode_pal4 As done in msrle_decode_8_16_24_32. Bug-Id: CVE-2015-3395 CC: libav-stable@libav.org --- libavcodec/msrledec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/msrledec.c b/libavcodec/msrledec.c index af2a2478b1..370d9bdfce 100644 --- a/libavcodec/msrledec.c +++ b/libavcodec/msrledec.c @@ -39,7 +39,7 @@ static int msrle_decode_pal4(AVCodecContext *avctx, AVPicture *pic, unsigned int pixel_ptr = 0; int row_dec = pic->linesize[0]; int row_ptr = (avctx->height - 1) * row_dec; - int frame_size = row_dec * avctx->height; + int frame_size = FFABS(row_dec) * avctx->height; int i; while (row_ptr >= 0) {