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.
lists.apple.com/archives/security-announce/2009/Aug/msg00001.html
osvdb.org/56840
secunia.com/advisories/36096
support.apple.com/kb/HT3757
www.securityfocus.com/bid/35954
www.us-cert.gov/cas/techalerts/TA09-218A.html
www.vupen.com/english/advisories/2009/2172
exchange.xforce.ibmcloud.com/vulnerabilities/52428