PHP before 5.2.5 allows local users to bypass protection mechanisms configured through php_admin_value or php_admin_flag in httpd.conf by using ini_set to modify arbitrary configuration variables, a different issue than CVE-2006-4625.
bugs.php.net/bug.php?id=41561
secunia.com/advisories/27648
secunia.com/advisories/27659
secunia.com/advisories/30040
securitytracker.com/id?1018934
wiki.rpath.com/wiki/Advisories:rPSA-2007-0242
www.php.net/ChangeLog-5.php
www.php.net/releases/5_2_5.php
www.securityfocus.com/archive/1/491693/100/0/threaded
issues.rpath.com/browse/RPL-1943