CVE-2008-4221
The strptime API in Libsystem in Apple Mac OS X before 10.5.6 allows context-dependent attackers to cause a denial of service (memory corruption and application crash) or execute arbitrary code via a crafted date string, related to improper memory allocation.
Date published : 2008-12-16
http://lists.apple.com/archives/security-announce//2008//Dec/msg00000.html