CVE-1999-0074: Freebsd

Medium severity, CVSS 6.4. EPSS: 8.3% chance of exploitation in the next 30 days.

Listening TCP ports are sequentially allocated, allowing spoofing attacks.

Affected products

• Freebsd Freebsd: version 6.2 only
• Linux Linux Kernel: version 2.6.20.1 only
• Microsoft Windows Nt: any version
• Netbsd Netbsd: version 2.0.4 only

Published 1997-07-01. Last modified 2026-06-16.