File ImageMagick-6.2.3-CVE-2007-4985.patch of Package ImageMagick

diff -r 6e2f7c2469aa coders/xcf.c
--- a/coders/xcf.c	Fri Sep 28 03:02:20 2007 -0800
+++ b/coders/xcf.c	Fri Sep 28 03:35:00 2007 -0800
@@ -944,6 +944,11 @@ static Image *ReadXCFImage(const ImageIn
     else
       if ( image_type == GIMP_INDEXED )
         ThrowReaderException(CoderError,"ColormapTypeNotSupported");
+  if (SetImageExtent(image,0,0) == MagickFalse)
+    {
+      InheritException(exception,&image->exception);
+      return(DestroyImageList(image));
+    }
   SetImageBackgroundColor(image);
   /*
     Read properties.
--- ImageMagick-6.2.8.orig/coders/dcm.c	2007-12-06 20:32:12.000000000 +0000
+++ ImageMagick-6.2.8/coders/dcm.c	2007-12-06 20:33:34.000000000 +0000
@@ -2900,10 +2900,10 @@ static Image *ReadDCMImage(const ImageIn
         else
           if ((quantum != 0) && (length != 0))
             {
-              data=(unsigned char *)
-                AcquireMagickMemory((size_t) quantum*(length+1));
-              if (length > ((~0UL)/quantum))
-                ThrowReaderException(CorruptImageError,"ImproperImageHeader");
+              data=(unsigned char *) NULL;
+              if (~length >= 1)
+                data=(unsigned char *) AcquireQuantumMemory(length+1,quantum*
+                  sizeof(*data));
               if (data == (unsigned char *) NULL)
                 ThrowReaderException(ResourceLimitError,
                   "MemoryAllocationFailed");