diff options
| -rw-r--r-- | libavcodec/jpeg2000dec.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c index 18346f9e59..cc154c3522 100644 --- a/libavcodec/jpeg2000dec.c +++ b/libavcodec/jpeg2000dec.c @@ -715,6 +715,13 @@ static int jpeg2000_decode_packet(Jpeg2000DecoderContext *s, } cblk->length += cblk->lengthinc; cblk->lengthinc = 0; + + if (cblk->length > sizeof(cblk->data)) { + av_log(s->avctx, AV_LOG_ERROR, + "Block length %d > data size %zd\n", + cblk->length, sizeof(cblk->data)); + return AVERROR_INVALIDDATA; + } } } return 0; |