File ImageMagick-CVE-2021-3574.patch of Package ImageMagick.27741

Index: ImageMagick-7.0.7-34/coders/tiff.c
===================================================================
--- ImageMagick-7.0.7-34.orig/coders/tiff.c
+++ ImageMagick-7.0.7-34/coders/tiff.c
@@ -1384,6 +1384,11 @@ RestoreMSCWarning
         TIFFClose(tiff);
         ThrowReaderException(CorruptImageError,"ImproperImageHeader");
       }
+    if (samples_per_pixel > MaxPixelChannels)
+      {
+        TIFFClose(tiff);
+        ThrowReaderException(CorruptImageError,"MaximumChannelsExceeded");
+      }
     if (sample_format == SAMPLEFORMAT_IEEEFP)
       (void) SetImageProperty(image,"quantum:format","floating-point",
         exception);