Module: libav
Branch: release/9
Commit: 437848e37ae7ef73cd8101031dc570d1f009ffd5

Author:    Michael Niedermayer <[email protected]>
Committer: Vittorio Giovara <[email protected]>
Date:      Mon Aug  4 01:12:47 2014 +0100

vp3: Copy all 3 frames for thread updates

Fixes a double release of the current frame on deinit.

Bug-Id: CVE-2011-3934
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Vittorio Giovara <[email protected]>

---

 libavcodec/vp3.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libavcodec/vp3.c b/libavcodec/vp3.c
index 1d68c09..c334363 100644
--- a/libavcodec/vp3.c
+++ b/libavcodec/vp3.c
@@ -1869,7 +1869,7 @@ 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;
     }
 

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