ModSecurity Multiple Remote Denial of Service Vulnerabilities（情報元のブックマーク数）
mod_securityにDoSを受ける脆弱性が存在とのこと。
ModSecurity is prone to multiple denial-of-service vulnerabilities.
http://www.securityfocus.com/bid/34096/discuss
An attacker can exploit these issues to crash the Apache webserver and deny service to legitimate users.
These issues affect versions prior to ModSecurity 2.5.9.
