Secunia Security Advisory – Debian has issued an update for php4. This fixes some vulnerabilities, which can be exploited by malicious, local users to bypass certain security restrictions, and malicious people to disclose potentially sensitive information, bypass certain security restrictions, cause a DoS (Denial of Service), and potentially compromise a vulnerable system.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/66488/sa30288.txt
Source: https://packetstormsecurity.com/files/66488/Secunia-Security-Advisory-30288.html