edata_end = edata + avc->extradata_size;
ws->nb_inter = AV_RL32(edata);
edata += 4;
- if (ws->nb_inter < 0)
+ if (ws->nb_inter < 0 || (edata_end - edata) / 24 < ws->nb_inter)
return AVERROR(EINVAL);
ws->inter = av_calloc(ws->nb_inter, sizeof(*ws->inter));
if (!ws->inter)