published May 11, 2012
NVD has not assigned a CVSS score to this record. It sits in the 99.2th percentile for exploit probability.
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.