CVE-2006-3202: Netbsd

Medium severity, CVSS 4.9. EPSS: 0.4% chance of exploitation in the next 30 days.

The ip6_savecontrol function in NetBSD 2.0 through 3.0, under certain configurations, does not check to see if IPv4-mapped sockets are being used before processing IPv6 socket options, which allows local users to cause a denial of service (crash) by creating an IPv4-mapped IPv6 socket with the SO_TIMESTAMP socket option set, then sending an IPv4 packet through the socket.

Affected products

• Netbsd Netbsd: version 2.0 only; version 2.0.2 only; version 2.0.3 only; version 2.1 only; version 3.0 only

Published 2006-06-23. Last modified 2026-06-16.