diff --git a/libavcodec/hevc_ps.c b/libavcodec/hevc_ps.c index 69500279be..1684d77672 100644 --- a/libavcodec/hevc_ps.c +++ b/libavcodec/hevc_ps.c @@ -635,6 +635,12 @@ int ff_hevc_decode_nal_sps(HEVCContext *s) goto err; } + if (!s->vps_list[sps->vps_id]) { + av_log(s->avctx, AV_LOG_ERROR, "VPS does not exist \n"); + ret = AVERROR_INVALIDDATA; + goto err; + } + sps->max_sub_layers = get_bits(gb, 3) + 1; if (sps->max_sub_layers > MAX_SUB_LAYERS) { av_log(s->avctx, AV_LOG_ERROR, "sps_max_sub_layers out of range: %d\n",