CVE-2004-0002: Freebsd

High severity, CVSS 10.0. EPSS: 2.1% chance of exploitation in the next 30 days.

The TCP MSS (maximum segment size) functionality in netinet allows remote attackers to cause a denial of service (resource exhaustion) via (1) a low MTU, which causes a large number of small packets to be produced, or (2) via a large number of packets with a small TCP payload, which cause a large number of calls to the resource-intensive sowakeup function.

Affected products

• Freebsd Freebsd: version 3.0 only; version 3.1 only; version 3.2 only; version 3.3 only; version 3.4 only; version 3.5 only; …

Published 2004-03-03. Last modified 2026-06-16.