File ImageMagick-CVE-2020-27771.patch of Package ImageMagick.18189

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File ImageMagick-CVE-2020-27771.patch of Package ImageMagick.18189

Index: ImageMagick-7.0.7-34/coders/pdf.c
===================================================================
--- ImageMagick-7.0.7-34.orig/coders/pdf.c	2020-12-07 10:45:51.509325416 +0100
+++ ImageMagick-7.0.7-34/coders/pdf.c	2020-12-07 10:45:51.673326344 +0100
@@ -2158,7 +2158,7 @@ RestoreMSCWarning
                   break;
                 for (x=0; x < (ssize_t) image->columns; x++)
                 {
-                  *q++=(unsigned char) GetPixelIndex(image,p);
+                  *q++=(unsigned char) ((ssize_t) GetPixelIndex(image,p));
                   p+=GetPixelChannels(image);
                 }
                 if (image->previous == (Image *) NULL)
@@ -2200,7 +2200,8 @@ RestoreMSCWarning
                   break;
                 for (x=0; x < (ssize_t) image->columns; x++)
                 {
-                  Ascii85Encode(image,(unsigned char) GetPixelIndex(image,p));
+                  Ascii85Encode(image,(unsigned char) ((ssize_t)
+                    GetPixelIndex(image,p)));
                   p+=GetPixelChannels(image);
                 }
                 if (image->previous == (Image *) NULL)
@@ -2675,7 +2676,7 @@ RestoreMSCWarning
                   break;
                 for (x=0; x < (ssize_t) tile_image->columns; x++)
                 {
-                  *q++=(unsigned char) GetPixelIndex(tile_image,p);
+                  *q++=(unsigned char) ((ssize_t) GetPixelIndex(tile_image,p));
                   p+=GetPixelChannels(tile_image);
                 }
               }
@@ -2712,7 +2713,7 @@ RestoreMSCWarning
                 for (x=0; x < (ssize_t) tile_image->columns; x++)
                 {
                   Ascii85Encode(image,(unsigned char)
-                    GetPixelIndex(tile_image,p));
+                    ((ssize_t) GetPixelIndex(tile_image,p)));
                   p+=GetPixelChannels(image);
                 }
               }

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File ImageMagick-CVE-2020-27771.patch of Package ImageMagick.18189

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