Integer signedness error in the _zend_mm_alloc_int function in the Zend Memory Manager in PHP 5.2.0 allows remote attackers to execute arbitrary code via a large emalloc request, related to an incorrect signed long cast, as demonstrated via the HTTP SOAP client in PHP, and via a call to msg_receive with the largest positive integer value of maxsize.
secunia.com/advisories/25056
secunia.com/advisories/25062
www.debian.org/security/2007/dsa-1283
www.novell.com/linux/security/advisories/2007_32_php.html
www.php-security.org/MOPB/MOPB-43-2007.html
www.php-security.org/MOPB/MOPB-44-2007.html
www.securityfocus.com/bid/23238
exchange.xforce.ibmcloud.com/vulnerabilities/33770