War FTP Daemon (WarFTPd) 1.82.00-RC11 allows remote authenticated users to cause a denial of service via a large number of "%s" format strings in (1) CWD, (2) CDUP, (3) DELE, (4) NLST, (5) LIST, (6) SIZE, and possibly other commands.  NOTE: it is possible that vector 1 is an off-by-one variant or incomplete fix of CVE-2005-0312.