diff --git a/libavcodec/h264_ps.c b/libavcodec/h264_ps.c index e5ae403204..7648e2c7a6 100644 --- a/libavcodec/h264_ps.c +++ b/libavcodec/h264_ps.c @@ -205,6 +205,12 @@ static inline int decode_vui_parameters(H264Context *h, SPS *sps){ sps->num_reorder_frames= get_ue_golomb(&s->gb); get_ue_golomb(&s->gb); /*max_dec_frame_buffering*/ + if(s->gb.size_in_bits < get_bits_count(&s->gb)){ + av_log(h->s.avctx, AV_LOG_ERROR, "Overread VUI by %d bits\n", get_bits_count(&s->gb) - s->gb.size_in_bits); + sps->num_reorder_frames=0; + sps->bitstream_restriction_flag= 0; + } + if(sps->num_reorder_frames > 16U /*max_dec_frame_buffering || max_dec_frame_buffering > 16*/){ av_log(h->s.avctx, AV_LOG_ERROR, "illegal num_reorder_frames %d\n", sps->num_reorder_frames); return -1;