Secunia Security Advisory – Gentoo has issued an update for nano. This fixes two security issues, which can be exploited by malicious, local users to perform certain actions with escalated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/90207/sa39984.txt
Source: https://packetstormsecurity.com/files/90207/Secunia-Security-Advisory-39984.html