Integer overflow in PHP 5.2.5 and earlier allows context-dependent attackers to cause a denial of service and possibly have unspecified other impact via a printf format parameter with a large width specifier, related to the php_sprintf_appendstring function in formatted_print.c and probably other functions for formatted strings (aka *printf functions).
https://issues.rpath.com/browse/RPL-2503
https://exchange.xforce.ibmcloud.com/vulnerabilities/41386
http://www.ubuntu.com/usn/usn-628-1
http://www.securityfocus.com/bid/28392
http://www.securityfocus.com/archive/1/492671/100/0/threaded
http://www.securityfocus.com/archive/1/492535/100/0/threaded
http://www.securityfocus.com/archive/1/489962/100/0/threaded
http://www.mandriva.com/security/advisories?name=MDVSA-2009:023
http://www.mandriva.com/security/advisories?name=MDVSA-2009:022
http://www.debian.org/security/2008/dsa-1572
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0178
http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0176
http://security.gentoo.org/glsa/glsa-200811-05.xml
http://secunia.com/advisories/32746
http://secunia.com/advisories/31200
http://secunia.com/advisories/30967
http://secunia.com/advisories/30411
http://secunia.com/advisories/30345
http://secunia.com/advisories/30158
http://lists.opensuse.org/opensuse-security-announce/2008-07/msg00001.html
http://cvs.php.net/viewvc.cgi/php-src/NEWS?revision=1.2027.2.547.2.1120&view=markup