diff --git a/libavformat/asfdec.c b/libavformat/asfdec.c index 0641688d3d..a21af775de 100644 --- a/libavformat/asfdec.c +++ b/libavformat/asfdec.c @@ -842,6 +842,10 @@ static int asf_read_frame_header(AVFormatContext *s, AVIOContext *pb){ av_log(s, AV_LOG_ERROR, "unexpected packet_replic_size of %d\n", asf->packet_replic_size); return -1; } + if (rsize > asf->packet_size_left) { + av_log(s, AV_LOG_ERROR, "packet_replic_size is invalid\n"); + return -1; + } 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){