CVE-2005-2068: Freebsd

Medium severity, CVSS 5.0. EPSS: 1.1% chance of exploitation in the next 30 days.

FreeBSD 4.x through 4.11 and 5.x through 5.4 allows remote attackers to modify certain TCP options via a TCP packet with the SYN flag set for an already established session.

Affected products

• Freebsd Freebsd: version 4.0 only; version 4.1 only; version 4.1.1 only; version 4.2 only; version 4.3 only; version 4.4 only; …

Published 2005-07-05. Last modified 2026-06-16.