diff options
| -rw-r--r-- | libavcodec/flacdec.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/flacdec.c b/libavcodec/flacdec.c index f6d0abe544..3eb117acf6 100644 --- a/libavcodec/flacdec.c +++ b/libavcodec/flacdec.c @@ -226,9 +226,11 @@ static int get_metadata_size(const uint8_t *buf, int buf_size) buf += 4; do { + if (buf_end - buf < 4) + return 0; ff_flac_parse_block_header(buf, &metadata_last, NULL, &metadata_size); buf += 4; - if (buf + metadata_size > buf_end) { + if (buf_end - buf < metadata_size) { /* need more data in order to read the complete header */ return 0; } |