diff options
| -rw-r--r-- | libavcodec/jpeg2000dec.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c index a4c20f45c5..624542c2f8 100644 --- a/libavcodec/jpeg2000dec.c +++ b/libavcodec/jpeg2000dec.c @@ -2184,7 +2184,9 @@ static int jpeg2000_read_main_headers(Jpeg2000DecoderContext *s) } if (s->has_ppm) { - uint32_t tp_header_size = bytestream2_get_be32u(&s->packed_headers_stream); + uint32_t tp_header_size = bytestream2_get_be32(&s->packed_headers_stream); + if (bytestream2_get_bytes_left(&s->packed_headers_stream) < tp_header_size) + return AVERROR_INVALIDDATA; bytestream2_init(&tp->header_tpg, s->packed_headers_stream.buffer, tp_header_size); bytestream2_skip(&s->packed_headers_stream, tp_header_size); } |