CVE-2004-2259: Beasts Vsftpd

Medium severity, CVSS 5.0. EPSS: 2.1% chance of exploitation in the next 30 days.

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.

Affected products

• Beasts Vsftpd: version 1.2.0 only; version 1.2.1 only

Published 2004-12-31. Last modified 2026-06-16.