Sufficient patch for CVE-2006-0082

Is the attached patch ok for CVE-2006-0082? It is taken from Gentoo:
  http://www.gentoo.org/security/en/glsa/glsa-200602-13.xml

-- 
albert chin ([email protected])

-- snip snip
Index: magick/image.c
===================================================================
RCS file: /GraphicsMagick/GraphicsMagick/magick/image.c,v
retrieving revision 1.1237
diff -u -3 -p -r1.1237 image.c
--- magick/image.c	8 Jun 2005 00:23:40 -0000	1.1237
+++ magick/image.c	1 Mar 2006 15:56:18 -0000
@@ -4561,7 +4561,7 @@ MagickExport MagickPassFail SetImageInfo
         Rectify multi-image file support.
         FIXME: Does not work!
       */
-      FormatString(filename,image_info->filename,0);
+      FormatString(filename,"%s",image_info->filename,0);
       if ((LocaleCompare(filename,image_info->filename) != 0) &&
           (strchr(filename,'%') == (char *) NULL))
         image_info->adjoin=False;


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