   However, if you are upgrading from a version earlier than 9.0.6,
    see the release notes for 9.0.6.
   </P
></DIV
><DIV
CLASS="SECT2"
><H2
CLASS="SECT2"
><A
NAME="AEN120681"
>E.25.2. Changes</A
></H2
><P
></P
><UL
><LI
><P
>      Prevent access to external files/URLs via XML entity references
      (Noah Misch, Tom Lane)
     </P
><P
>      <CODE
CLASS="FUNCTION"
>xml_parse()</CODE
> would attempt to fetch external files or
      URLs as needed to resolve DTD and entity references in an XML value,
    