File ImageMagick-CVE-2020-27764.patch of Package ImageMagick.19143

Index: ImageMagick-6.8.8-1/magick/statistic.c
===================================================================
--- ImageMagick-6.8.8-1.orig/magick/statistic.c	2020-12-04 14:40:57.330502044 +0100
+++ ImageMagick-6.8.8-1/magick/statistic.c	2020-12-04 14:40:57.362502240 +0100
@@ -277,7 +277,7 @@ static MagickRealType ApplyEvaluateOpera
     }
     case AndEvaluateOperator:
     {
-      result=(MagickRealType) ((size_t) pixel & (size_t) (value+0.5));
+      result=(MagickRealType) ((ssize_t) pixel & (ssize_t) (value+0.5));
       break;
     }
     case CosineEvaluateOperator:
@@ -362,7 +362,7 @@ static MagickRealType ApplyEvaluateOpera
     }
     case OrEvaluateOperator:
     {
-      result=(MagickRealType) ((size_t) pixel | (size_t) (value+0.5));
+      result=(MagickRealType) ((ssize_t) pixel | (ssize_t) (value+0.5));
       break;
     }
     case PoissonNoiseEvaluateOperator:
@@ -430,7 +430,7 @@ static MagickRealType ApplyEvaluateOpera
     }
     case XorEvaluateOperator:
     {
-      result=(MagickRealType) ((size_t) pixel ^ (size_t) (value+0.5));
+      result=(MagickRealType) ((ssize_t) pixel ^ (ssize_t) (value+0.5));
       break;
     }
   }