diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c
index cbab9a2dd6966d53f83812908528538446a070a3..85d32668f864e394d97c0bdf74b191482b22f197 100644
--- a/libavformat/asfdec.c
+++ b/libavformat/asfdec.c
@@ -1291,6 +1291,10 @@ static int asf_read_payload(AVFormatContext *s, AVPacket *pkt)
         }
         if (!asf_pkt) {
             if (asf->packet_offset + asf->packet_size <= asf->data_offset + asf->data_size) {
+                if (!asf->packet_size) {
+                    av_log(s, AV_LOG_ERROR, "Invalid packet size 0.\n");
+                    return AVERROR_INVALIDDATA;
+                }
                 avio_seek(pb, asf->packet_offset + asf->packet_size, SEEK_SET);
                 av_log(s, AV_LOG_WARNING, "Skipping the stream with the invalid stream index %d.\n",
                        asf->stream_index);