Secunia Security Advisory – Gentoo has issued an update to libxml2. This fixes some vulnerabilities, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise an application using the library.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/72579/sa32974.txt
Source: https://packetstormsecurity.com/files/72579/Secunia-Security-Advisory-32974.html