The remote host is missing an update to php5 announced via advisory DSA 1330-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201330-1

Several remote vulnerabilities have been discovered in PHP, a server-side, HTML-embedded scripting language, which may lead to the execution of arbitrary code. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2007-1399 Stefan Esser discovered that a buffer overflow in the zip extension allows the execution of arbitrary code. CVE-2007-1864 It was discovered that a buffer overflow in the xmlrpc extension allows the execution of arbitrary code. The oldstable distribution (sarge) doesn't include php5. For the stable distribution (etch) these problems have been fixed in version 5.2.0-8+etch7. For the unstable distribution (sid) these problems have been fixed in version 5.2.2-1. We recommend that you upgrade your PHP packages. Packages for the little-