File ImageMagick-CVE-2020-27761.patch of Package ImageMagick

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File ImageMagick-CVE-2020-27761.patch of Package ImageMagick

Index: ImageMagick-6.8.8-1/coders/palm.c
===================================================================
--- ImageMagick-6.8.8-1.orig/coders/palm.c	2020-12-04 12:18:43.946290918 +0100
+++ ImageMagick-6.8.8-1/coders/palm.c	2020-12-04 12:18:43.978291114 +0100
@@ -888,10 +888,10 @@ static MagickBooleanType WritePALMImage(
         {
           for (x=0; x < (ssize_t) image->columns; x++)
           {
-            color16=(unsigned short) ((((31*(size_t) GetPixelRed(p))/
-              (size_t) QuantumRange) << 11) |
-              (((63*(size_t) GetPixelGreen(p))/(size_t) QuantumRange) << 5) |
-              ((31*(size_t) GetPixelBlue(p))/(size_t) QuantumRange));
+            color16=(unsigned short) ((((31*(ssize_t) GetPixelRed(p))/
+              (ssize_t) QuantumRange) << 11) |
+              (((63*(ssize_t) GetPixelGreen(p))/(ssize_t) QuantumRange) << 5) |
+              ((31*(ssize_t) GetPixelBlue(p))/(ssize_t) QuantumRange));
             if (GetPixelOpacity(p) == (Quantum) TransparentOpacity)
               {
                 transpix.red=GetPixelRed(p);

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File ImageMagick-CVE-2020-27761.patch of Package ImageMagick

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