|  | diff --git a/third_party/libtiff/tif_dirread.c b/third_party/libtiff/tif_dirread.c | 
|  | index 35425b4b8..4c3b75603 100644 | 
|  | --- a/third_party/libtiff/tif_dirread.c | 
|  | +++ b/third_party/libtiff/tif_dirread.c | 
|  | @@ -4627,6 +4627,14 @@ int TIFFReadDirectory(TIFF *tif) | 
|  | isTiled(tif) ? "tiles" : "strips"); | 
|  | goto bad; | 
|  | } | 
|  | +    if (tif->tif_dir.td_nstrips > INT_MAX) | 
|  | +    { | 
|  | +        TIFFErrorExt(tif->tif_clientdata, module, | 
|  | +                     "Cannot handle %u number of %s", | 
|  | +                     tif->tif_dir.td_nstrips, | 
|  | +                     isTiled(tif) ? "tiles" : "strips"); | 
|  | +        goto bad; | 
|  | +    } | 
|  | tif->tif_dir.td_stripsperimage = tif->tif_dir.td_nstrips; | 
|  | if (tif->tif_dir.td_planarconfig == PLANARCONFIG_SEPARATE) | 
|  | tif->tif_dir.td_stripsperimage /= tif->tif_dir.td_samplesperpixel; |