File ImageMagick-CVE-2020-27761.patch of Package ImageMagick.24648

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File ImageMagick-CVE-2020-27761.patch of Package ImageMagick.24648

Index: ImageMagick-7.0.7-34/coders/palm.c
===================================================================
--- ImageMagick-7.0.7-34.orig/coders/palm.c	2020-12-04 12:18:24.118170052 +0100
+++ ImageMagick-7.0.7-34/coders/palm.c	2020-12-04 12:18:24.146170223 +0100
@@ -902,10 +902,10 @@ static MagickBooleanType WritePALMImage(
         {
           for (x=0; x < (ssize_t) image->columns; x++)
           {
-            color16=(unsigned short) ((((31*(size_t) GetPixelRed(image,p))/
-              (size_t) QuantumRange) << 11) | (((63*(size_t)
-              GetPixelGreen(image,p))/(size_t) QuantumRange) << 5) |
-              ((31*(size_t) GetPixelBlue(image,p))/(size_t) QuantumRange));
+            color16=(unsigned short) ((((31*(ssize_t) GetPixelRed(image,p))/
+              (ssize_t) QuantumRange) << 11) | (((63*(ssize_t)
+              GetPixelGreen(image,p))/(ssize_t) QuantumRange) << 5) |
+              ((31*(ssize_t) GetPixelBlue(image,p))/(ssize_t) QuantumRange));
             if (GetPixelAlpha(image,p) == (Quantum) TransparentAlpha)
               {
                 transpix.red=(MagickRealType) GetPixelRed(image,p);

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File ImageMagick-CVE-2020-27761.patch of Package ImageMagick.24648

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