diff options
| -rw-r--r-- | libavcodec/diracdec.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libavcodec/diracdec.c b/libavcodec/diracdec.c index 6cb098b..b183fad 100644 --- a/libavcodec/diracdec.c +++ b/libavcodec/diracdec.c @@ -1225,6 +1225,11 @@ static int dirac_unpack_idwt_params(DiracContext *s) else { s->num_x = get_interleaved_ue_golomb(gb); s->num_y = get_interleaved_ue_golomb(gb); + if (s->num_x * s->num_y == 0 || s->num_x * (uint64_t)s->num_y > INT_MAX) { + av_log(s->avctx,AV_LOG_ERROR,"Invalid numx/y\n"); + s->num_x = s->num_y = 0; + return AVERROR_INVALIDDATA; + } if (s->ld_picture) { s->lowdelay.bytes.num = get_interleaved_ue_golomb(gb); s->lowdelay.bytes.den = get_interleaved_ue_golomb(gb); |
