diff --git a/libavformat/asfdec_o.c b/libavformat/asfdec_o.c index b81519fb18..4a3c81501e 100644 --- a/libavformat/asfdec_o.c +++ b/libavformat/asfdec_o.c @@ -1287,6 +1287,10 @@ 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);