The remote host is missing an update to php announced via advisory MDVSA-2009:090.
To upgrade automatically use MandrakeUpdate or urpmi. The verification of md5 checksums and GPG signatures is performed automatically for you. https://secure1.securityspace.com/smysecure/catid.html?in=MDVSA-2009:090
A vulnerability has been found and corrected in PHP: The JSON_parser function (ext/json/JSON_parser.c) in PHP 5.2.x before 5.2.9 allows remote attackers to cause a denial of service (segmentation fault) via a malformed string to the json_decode API function (CVE-2009-1271). The updated packages have been patched to correct these issues. Affected: 2008.1, 2009.0