Secunia Security Advisory – Tavis Ormandy has reported a security issue in pinentry, which potentially can be exploited by malicious, local users to perform certain actions on a vulnerable system with escalated privileges.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/42798/sa18284.txt
Source: https://packetstormsecurity.com/files/42798/Secunia-Security-Advisory-18284.html