CVE-2009-2191
Format string vulnerability in Login Window in Apple Mac OS X 10.4.11 and 10.5 before 10.5.8 allows attackers to execute arbitrary code or cause a denial of service (application crash) via format string specifiers in an application name.
Date published : 2009-08-06
http://lists.apple.com/archives/security-announce/2009/Aug/msg00001.html