Secunia Security Advisory – Gentoo has issued an update for libpng. This fixes a vulnerability, which can be exploited by malicious people to disclose potentially sensitive information.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/78848/sa35594.txt
Source: https://packetstormsecurity.com/files/78848/Secunia-Security-Advisory-35594.html