CVE-2009-4448
inc/functions_time.php in MyBB (aka MyBulletinBoard) 1.4.10, and possibly earlier versions, allows remote attackers to cause a denial of service (CPU consumption) via a crafted request with a large year value, which triggers a long loop, as reachable through member.php and possibly other vectors.
Date published : 2009-12-29
http://blog.mybboard.net/2009/12/29/mybb-1-4-11-released-minor-patch-security-update/