CVE-2004-2259
vsftpd before 1.2.2, when under heavy load, allows attackers to cause a denial of service (crash) via a SIGCHLD signal during a malloc or free call, which is not re-entrant.
Date published : 2005-07-19
http://www.securityfocus.com/bid/10394
ftp://vsftpd.beasts.org/users/cevans/untar/vsftpd-1.2.2/Changelog