Secunia Security Advisory – SUSE has issued an update for php4 and php5. This fixes some vulnerabilities, which can be exploited by malicious people to use a vulnerable system as an open mail relay and bypass certain security restrictions.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/42327/sa18054.txt
Source: https://packetstormsecurity.com/files/42327/Secunia-Security-Advisory-18054.html