CVE-1999-1339: Freebsd

Medium severity, CVSS 5.0. EPSS: 2.7% chance of exploitation in the next 30 days.

Vulnerability when Network Address Translation (NAT) is enabled in Linux 2.2.10 and earlier with ipchains, or FreeBSD 3.2 with ipfw, allows remote attackers to cause a denial of service (kernel panic) via a ping -R (record route) command.

Affected products

• Freebsd Freebsd: version 3.2 only
• Linux Linux Kernel: up to and including 2.2.10

Published 1999-12-31. Last modified 2026-06-16.