From: Uoti Urpala <uoti.urp...@pp1.inet.fi>

---
 libavformat/asfdec.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c
index 77c8449..3dc104e 100644
--- a/libavformat/asfdec.c
+++ b/libavformat/asfdec.c
@@ -852,7 +852,10 @@ static int asf_read_frame_header(AVFormatContext *s, 
AVIOContext *pb){
     }
     if (asf->packet_flags & 0x01) {
         DO_2BITS(asf->packet_segsizetype >> 6, asf->packet_frag_size, 0); // 0 
is illegal
-        if(asf->packet_frag_size > asf->packet_size_left - rsize){
+        if (rsize > asf->packet_size_left) {
+            av_log(s, AV_LOG_ERROR, "packet_replic_size is invalid\n");
+            return -1;
+        } else if(asf->packet_frag_size > asf->packet_size_left - rsize){
             if (asf->packet_frag_size > asf->packet_size_left - rsize + 
asf->packet_padsize) {
                 av_log(s, AV_LOG_ERROR, "packet_frag_size is invalid 
(%d-%d)\n", asf->packet_size_left, rsize);
                 return -1;
-- 
1.7.4.4

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