From ca41c72c6d9515d9045bd3b68104525dee81b8d0 Mon Sep 17 00:00:00 2001 From: Anton Khirnov Date: Fri, 15 Nov 2013 15:33:20 +0100 Subject: motionpixels: clip VLC codes. Fixes invalid reads. Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC:libav-stable@libav.org --- libavcodec/motionpixels.c | 1 + 1 file changed, 1 insertion(+) (limited to 'libavcodec/motionpixels.c') diff --git a/libavcodec/motionpixels.c b/libavcodec/motionpixels.c index 8e7b3a4131..6c1efadd56 100644 --- a/libavcodec/motionpixels.c +++ b/libavcodec/motionpixels.c @@ -180,6 +180,7 @@ static int mp_get_vlc(MotionPixelsContext *mp, GetBitContext *gb) int i; i = (mp->codes_count == 1) ? 0 : get_vlc2(gb, mp->vlc.table, mp->max_codes_bits, 1); + i = FFMIN(i, FF_ARRAY_ELEMS(mp->codes) - 1); return mp->codes[i].delta; } -- cgit v1.2.3