sudo version 1.6.8p1 has been released to address a security flaw in sudoedit that could give a malicious user read access to file that would normally be unreadable.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/34404/sudo168.txt
Source: https://packetstormsecurity.com/files/34404/sudo168.txt.html