As noted on the security update website, Secunia.com, Debian users can now update this distributions with the latest patches for both versions, PHP4 and PHP5.

Debian has issued an update for php4/php5. This fixes some vulnerabilities, which can be exploited by malicious, local users to bypass certain security restrictions, malicious users to disclose potentially sensitive information or compromise a vulnerable system, and by malicious people to compromise a vulnerable system.

Links to the advisory posts (that include the links to download the updated packages):

• For PHP4 Users
• For PHP5 Users

It is recommended that Debian users update their installations immediately so as to avoid any kind of security issue that might result from the vulnerability.