diff options
Diffstat (limited to 'libtiff/tif_ojpeg.c')
-rw-r--r-- | libtiff/tif_ojpeg.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/libtiff/tif_ojpeg.c b/libtiff/tif_ojpeg.c index ad3e1e71..30820324 100644 --- a/libtiff/tif_ojpeg.c +++ b/libtiff/tif_ojpeg.c @@ -1107,6 +1107,12 @@ OJPEGReadHeaderInfo(TIFF* tif) } if (sp->strile_length<sp->image_length) { + if (((sp->subsampling_hor!=1) && (sp->subsampling_hor!=2) && (sp->subsampling_hor!=4)) || + ((sp->subsampling_ver!=1) && (sp->subsampling_ver!=2) && (sp->subsampling_ver!=4))) + { + TIFFErrorExt(tif->tif_clientdata,module,"Invalid subsampling values"); + return(0); + } if (sp->strile_length%(sp->subsampling_ver*8)!=0) { TIFFErrorExt(tif->tif_clientdata,module,"Incompatible vertical subsampling and image strip/tile length"); |