summaryrefslogtreecommitdiff
path: root/libavcodec/wmaprodec.c
diff options
context:
space:
mode:
Diffstat (limited to 'libavcodec/wmaprodec.c')
-rw-r--r--libavcodec/wmaprodec.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/libavcodec/wmaprodec.c b/libavcodec/wmaprodec.c
index 60d39be74e..1c9c6671e4 100644
--- a/libavcodec/wmaprodec.c
+++ b/libavcodec/wmaprodec.c
@@ -1174,7 +1174,12 @@ static int decode_subframe(WMAProDecodeCtx *s)
int num_bits = av_log2((s->subframe_len + 3)/4) + 1;
for (i = 0; i < s->channels_for_cur_subframe; i++) {
int c = s->channel_indexes_for_cur_subframe[i];
- s->channel[c].num_vec_coeffs = get_bits(&s->gb, num_bits) << 2;
+ int num_vec_coeffs = get_bits(&s->gb, num_bits) << 2;
+ if (num_vec_coeffs > WMAPRO_BLOCK_MAX_SIZE) {
+ av_log(s->avctx, AV_LOG_ERROR, "num_vec_coeffs %d is too large\n", num_vec_coeffs);
+ return AVERROR_INVALIDDATA;
+ }
+ s->channel[c].num_vec_coeffs = num_vec_coeffs;
}
} else {
for (i = 0; i < s->channels_for_cur_subframe; i++) {