CVE-2012-0809
Format string vulnerability in the sudo_debug function in Sudo 1.8.0 through 1.8.3p1 allows local users to execute arbitrary code via format string sequences in the program name for sudo.
Date published : 2012-01-31
http://www.sudo.ws/sudo/alerts/sudo_debug.html
http://archives.neohapsis.com/archives/fulldisclosure/2012-01/0591.html