CVE-1999-1568: Ncftp Ncftpd Server

High severity, CVSS 7.5. EPSS: 2.3% chance of exploitation in the next 30 days.

Off-by-one error in NcFTPd FTP server before 2.4.1 allows a remote attacker to cause a denial of service (crash) via a long PORT command.

Affected products

• Ncftp Ncftpd Server: before 2.4.1 (fixed in 2.4.1)

Published 1999-01-01. Last modified 2026-06-16.