Secunia Security Advisory – Gentoo has issued an update for php. This fixes multiple vulnerabilities, where some have an unknown impact and others that can potentially be exploited by malicious, local users and by malicious users to bypass certain security restrictions, and by malicious people to conduct cross-site scripting attacks, disclose sensitive information, cause a DoS (Denial of Service), or potentially compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/84860/sa38090.txt
Source: https://packetstormsecurity.com/files/84860/Secunia-Security-Advisory-38090.html

