commit 8703b8d7c4d1e9feb599adc78345bd2619400b85
author Cristy <mikayla-grace@urban-warrior.org> Tue Apr 07 11:25:15 2020 -0400
committer Cristy <mikayla-grace@urban-warrior.org> Tue Apr 07 11:25:15 2020 -0400
tree 4806e5fd5c56d4f26055516df572b8818e6db87b
parent da57e261a453640b03fe975f6f2528a18dee5a2a

https://github.com/ImageMagick/ImageMagick/issues/1883

coders/tiff.c

diff --git a/coders/tiff.c b/coders/tiff.c
index b533503..042a249 100644
--- a/coders/tiff.c
+++ b/coders/tiff.c
@@ -1826,7 +1826,7 @@
     quantum_type=RGBQuantum;
     if (TIFFScanlineSize(tiff) <= 0)
       ThrowTIFFException(ResourceLimitError,"MemoryAllocationFailed");
-    if ((1.0*TIFFScanlineSize(tiff)) > (2.5*GetBlobSize(image)))
+    if ((1.0*TIFFScanlineSize(tiff)) > (2.53*GetBlobSize(image)))
       ThrowTIFFException(CorruptImageError,"InsufficientImageDataInFile");
     number_pixels=MagickMax(TIFFScanlineSize(tiff),MagickMax((ssize_t)
       image->columns*samples_per_pixel*pow(2.0,ceil(log(bits_per_sample)/