1 files changed, 5 insertions, 0 deletions
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 68959a583d..83abdd4a47 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -4885,6 +4885,11 @@ static int mov_read_coll(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     }
     avio_skip(pb, 3); /* flags */
 
+    if (sc->coll){
+        av_log(c->fc, AV_LOG_WARNING, "Ignoring duplicate COLL\n");
+        return 0;
+    }
+
     sc->coll = av_content_light_metadata_alloc(&sc->coll_size);
     if (!sc->coll)
         return AVERROR(ENOMEM);