From c2e3b564b32d596f5a66d47409f9e07a067a3084 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Tue, 13 Mar 2012 22:20:39 +0100 Subject: [PATCH] mmvideo: restore initial y value. This bug might have been exploitable (out of HEAP buffer writes) Bug introduced by libav commit a55d5bdc6e28a2cfefc440d792de5cc4f02377e2 Date: Tue Mar 6 15:15:42 2012 -0800 algmm: convert to bytestream2 API. --- libavcodec/mmvideo.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/mmvideo.c b/libavcodec/mmvideo.c index f52bf3ada2..00284c9a04 100644 --- a/libavcodec/mmvideo.c +++ b/libavcodec/mmvideo.c @@ -127,7 +127,7 @@ static int mm_decode_intra(MmContext * s, int half_horiz, int half_vert) */ static int mm_decode_inter(MmContext * s, int half_horiz, int half_vert) { - int data_off = bytestream2_get_le16(&s->gb), y; + int data_off = bytestream2_get_le16(&s->gb), y = 0; GetByteContext data_ptr; if (bytestream2_get_bytes_left(&s->gb) < data_off)