CVE-2009-0158
Stack-based buffer overflow in telnet in Apple Mac OS X 10.4.11 and 10.5 before 10.5.7 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a long hostname for a telnet server.
Date published : 2009-05-13
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html