diff options
| -rw-r--r-- | libtiff/tif_ojpeg.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libtiff/tif_ojpeg.c b/libtiff/tif_ojpeg.c index 0c915de2..ea572091 100644 --- a/libtiff/tif_ojpeg.c +++ b/libtiff/tif_ojpeg.c @@ -1360,6 +1360,9 @@ static int OJPEGWriteHeaderInfo(TIFF *tif) { assert(sp->subsampling_convert_ycbcrbuf == 0); assert(sp->subsampling_convert_ycbcrimage == 0); + /* Check for division by zero. */ + if (sp->subsampling_hor == 0 || sp->subsampling_ver == 0) + return (0); sp->subsampling_convert_ylinelen = ((sp->strile_width + sp->subsampling_hor * 8 - 1) / (sp->subsampling_hor * 8) * sp->subsampling_hor * 8); |