File GraphicsMagick-CVE-2017-15016.patch of Package GraphicsMagick.openSUSE_Leap_42.3_Update

--- a/coders/emf.c	Sat Sep 30 09:28:37 2017 -0500
+++ b/coders/emf.c	Sat Sep 30 09:39:57 2017 -0500
@@ -188,6 +188,11 @@
     return(NULL);
   dwSize=GetFileSize(hFile,NULL);
   pBits=MagickAllocateMemory(LPBYTE,dwSize);
+  if (pBits == (LPBYTE) NULL)
+    {
+      CloseHandle(hFile);
+      return((HENHMETAFILE) NULL);
+    }
   ReadFile(hFile,pBits,dwSize,&dwSize,NULL);
   CloseHandle(hFile);
   if (((PAPMHEADER) pBits)->dwKey != 0x9ac6cdd7l)