CVE-2006-1957
The com_rss option (rss.php) in (1) Mambo and (2) Joomla! allows remote attackers to cause a denial of service (disk consumption and possibly web-server outage) via multiple requests with different values of the feed parameter.
Date published : 2006-04-21
http://www.securityfocus.com/archive/1/431317/100/0/threaded
http://archives.neohapsis.com/archives/bugtraq/2006-04/0380.html