CVE-2007-4887
The dl function in PHP 5.2.4 and earlier allows context-dependent attackers to cause a denial of service (application crash) via a long string in the library parameter. NOTE: there are limited usage scenarios under which this would be a vulnerability.
Date published : 2007-09-13
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html