From: Cristy <urban-warrior@imagemagick.org>
Date: Tue, 18 Jun 2019 17:49:26 +0000 (-0400)
Subject: ...
X-Git-Tag: 7.0.8-50~30
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6fe6a0e6c901b4c9a639c104cc3420239e387794;p=imagemagick

...
---

diff --git a/coders/tiff.c b/coders/tiff.c
index 97402f2cb..c476e90dd 100644
--- a/coders/tiff.c
+++ b/coders/tiff.c
@@ -3618,7 +3618,8 @@ static MagickBooleanType WriteTIFFImage(const ImageInfo *image_info,
     }
   mode=endian_type == LSBEndian ? "wl" : "wb";
 #if defined(TIFF_VERSION_BIG)
-  if (LocaleCompare(image_info->magick,"TIFF64") == 0)
+  if ((LocaleCompare(image_info->magick,"TIFF64") == 0) ||
+      (((MagickOffsetType) image->columns*image->rows) > SSIZE_MAX))
     mode=endian_type == LSBEndian ? "wl8" : "wb8";
 #endif
   tiff=TIFFClientOpen(image->filename,mode,(thandle_t) image,TIFFReadBlob,