Buffer overflow in the apache_request_headers function in sapi/cgi/cgi_main.c in PHP 5.4.x before 5.4.3 allows remote attackers to cause a denial of service (application crash) via a long string in the header of an HTTP request.
secunia.com/advisories/49014
www.php.net/archive/2012.php
www.php.net/ChangeLog-5.php
www.securityfocus.com/bid/53455
bugs.php.net/bug.php?id=61807
bugzilla.redhat.com/show_bug.cgi?id=820000
exchange.xforce.ibmcloud.com/vulnerabilities/75545
h20564.www2.hp.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c03839862