The PHP update on 20070504 stated "-Fixed a remotely trigger-able buffer overflow inside make_http_soap_request(). (CVE-NO-NAME, by Ilia Alshanetsky)"
text "A buffer overflow flaw was found in the PHP 'soap' extension, regarding the handling of an HTTP redirect response when using the SOAP client provided by this extension with an untrusted SOAP server. No mechanism to trigger this flaw remotely is known. (CVE-2007-2510)"
This issue was addressed in: Red Hat Application Stack: http://rhn.redhat.com/errata/RHSA-2007-0355.html Red Hat Enterprise Linux: http://rhn.redhat.com/errata/RHSA-2007-0348.html Fedora: updated to fixed upstream version