CRLF injection vulnerability in the mail function in Dotdeb PHP before 5.2.0 Rev 3 allows remote attackers to bypass the protection scheme and inject arbitrary email headers via CRLF sequences in the query string, which is processed via the PHP_SELF variable.
lists.grok.org.uk/pipermail/full-disclosure/2006-November/050712.html
secunia.com/advisories/22877
www.dotdeb.org/news/severe_security_hole_in_php_packages
www.hardened-php.net/advisory_142006.139.html
www.securityfocus.com/archive/1/451528/100/0/threaded
www.securityfocus.com/archive/1/451839/100/0/threaded
www.securityfocus.com/bid/21075
www.vupen.com/english/advisories/2006/4531
exchange.xforce.ibmcloud.com/vulnerabilities/30251