CVE-2006-1991
The substr_compare function in string.c in PHP 5.1.2 allows context-dependent attackers to cause a denial of service (memory access violation) via an out-of-bounds offset argument.
Date published : 2006-04-24
http://security.gentoo.org/glsa/glsa-200605-08.xml
http://www.mandriva.com/security/advisories?name=MDKSA-2006:091