File ImageMagick-CVE-2019-19948.patch of Package ImageMagick

Index: ImageMagick-6.8.8-1/coders/sgi.c
===================================================================
--- ImageMagick-6.8.8-1.orig/coders/sgi.c	2020-01-03 10:06:38.063430427 +0100
+++ ImageMagick-6.8.8-1/coders/sgi.c	2020-01-03 10:12:40.873373458 +0100
@@ -972,8 +972,6 @@ static MagickBooleanType WriteSGIImage(c
   assert(image->signature == MagickSignature);
   if (image->debug != MagickFalse)
     (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
-  if ((image->columns > 65535UL) || (image->rows > 65535UL))
-    ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
   status=OpenBlob(image_info,image,WriteBinaryBlobMode,&image->exception);
   if (status == MagickFalse)
     return(status);
@@ -983,6 +981,8 @@ static MagickBooleanType WriteSGIImage(c
     /*
       Initialize SGI raster file header.
     */
+    if ((image->columns > 65535UL) || (image->rows > 65535UL))
+      ThrowWriterException(ImageError,"WidthOrHeightExceedsLimit");
     if (IssRGBCompatibleColorspace(image->colorspace) == MagickFalse)
       (void) TransformImageColorspace(image,sRGBColorspace);
     (void) ResetMagickMemory(&iris_info,0,sizeof(iris_info));