https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-20843

--- expat-2.1.0/lib/xmlparse.c.cve20843

+++ expat-2.1.0/lib/xmlparse.c

@@ -5433,7 +5433,7 @@

       else

         poolDiscard(&dtd->pool);

       elementType->prefix = prefix;

-

+      break;

     }

   }

   return 1;