The latest verion of sudo is 1.8.3p2
The "authoritative" sudo ftp site is ftp://ftp.sudo.ws/pub/sudo/
and there is a web page at http://www.sudo.ws/sudo/

File:			Description:
=====================	===========================================
sudo.tar.gz		Link to the current version of sudo
sudo-1.7.4.tar.gz	Sudo version 1.7.4
sudo-1.7.4p1.tar.gz	Sudo version 1.7.4p1
sudo-1.7.4p1.patch.gz	Patch to update sudo 1.7.4 to 1.7.4p1
sudo-1.7.4p2.tar.gz	Sudo version 1.7.4p2
sudo-1.7.4p2.patch.gz	Patch to update sudo 1.7.4p1 to 1.7.4p2
sudo-1.7.4p3.tar.gz	Sudo version 1.7.4p3
sudo-1.7.4p3.patch.gz	Patch to update sudo 1.7.4p2 to 1.7.4p3
sudo-1.7.4p4.tar.gz	Sudo version 1.7.4p4
sudo-1.7.4p4.patch.gz	Patch to update sudo 1.7.4p3 to 1.7.4p4
sudo-1.7.4p5.tar.gz	Sudo version 1.7.4p5
sudo-1.7.4p5.patch.gz	Patch to update sudo 1.7.4p4 to 1.7.4p5
sudo-1.7.4p6.tar.gz	Sudo version 1.7.4p6
sudo-1.7.4p6.patch.gz	Patch to update sudo 1.7.4p5 to 1.7.4p6
sudo-1.7.5.tar.gz	Sudo version 1.7.5
sudo-1.7.6.tar.gz	Sudo version 1.7.6
sudo-1.7.6p1.tar.gz	Sudo version 1.7.6p1
sudo-1.7.6p1.patch.gz	Patch to update sudo 1.7.6 to 1.7.6p1
sudo-1.7.6p2.tar.gz	Sudo version 1.7.6p2
sudo-1.7.6p2.patch.gz	Patch to update sudo 1.7.6p1 to 1.7.6p2
sudo-1.7.7.tar.gz	Sudo version 1.7.7
sudo-1.7.8.tar.gz	Sudo version 1.7.8
sudo-1.8.0.tar.gz	Sudo version 1.8.0
sudo-1.8.1.tar.gz	Sudo version 1.8.1
sudo-1.8.1p1.tar.gz	Sudo version 1.8.1p1
sudo-1.8.1p1.patch.gz	Patch to update sudo 1.8.1 to 1.8.1p1
sudo-1.8.1p2.tar.gz	Sudo version 1.8.1p2
sudo-1.8.1p2.patch.gz	Patch to update sudo 1.8.1p1 to 1.8.1p2
sudo-1.8.2.tar.gz	Sudo version 1.8.2
sudo-1.8.3.tar.gz	Sudo version 1.8.3
sudo-1.8.3p1.tar.gz	Sudo version 1.8.3p1
sudo-1.8.3p1.patch.gz	Patch to update sudo 1.8.3 to 1.8.3p1
sudo-1.8.3p2.tar.gz	Sudo version 1.8.3p2
sudo-1.8.3p2.patch.gz	Patch to update sudo 1.8.3p1 to 1.8.3p2