From 247d30a7dba6684ccce4508424f35fd58465e535 Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Wed, 25 Jan 2012 21:10:29 +0100 Subject: [PATCH] vp3: Copy all 3 frames for thread updates. This fixes a double release of the current frame on deinit. Fixes CVE-2011-3934 Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind Signed-off-by: Michael Niedermayer --- libavcodec/vp3.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c index 738ae9fd25..b5daafcefb 100644 --- a/libavcodec/vp3.c +++ b/libavcodec/vp3.c @@ -1859,7 +1859,7 @@ static int vp3_update_thread_context(AVCodecContext *dst, const AVCodecContext * ||s->width != s1->width ||s->height!= s1->height) { if (s != s1) - copy_fields(s, s1, golden_frame, current_frame); + copy_fields(s, s1, golden_frame, keyframe); return -1; }