h261: check the mtype index
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: libav-stable@libav.org (cherry picked from commit c59967fa7cc5bc2fa06b36c17d2c207240c06b3e) Signed-off-by: Luca Barbato <lu_zero@gentoo.org> Conflicts: libavcodec/h261dec.c
This commit is contained in:
parent
896baaaad8
commit
91355bec88
@ -286,6 +286,11 @@ static int h261_decode_mb(H261Context *h){
|
||||
|
||||
// Read mtype
|
||||
h->mtype = get_vlc2(&s->gb, h261_mtype_vlc.table, H261_MTYPE_VLC_BITS, 2);
|
||||
if (h->mtype < 0 || h->mtype >= FF_ARRAY_ELEMS(h261_mtype_map)) {
|
||||
av_log(s->avctx, AV_LOG_ERROR, "Invalid mtype index %d\n",
|
||||
h->mtype);
|
||||
return SLICE_ERROR;
|
||||
}
|
||||
h->mtype = h261_mtype_map[h->mtype];
|
||||
|
||||
// Read mquant
|
||||
|
Loading…
x
Reference in New Issue
Block a user