CVE-2013-6467: Libreswan

Medium severity, CVSS 5.0. EPSS: 2.5% chance of exploitation in the next 30 days.

Libreswan 3.7 and earlier allows remote attackers to cause a denial of service (NULL pointer dereference and IKE daemon restart) via IKEv2 packets that lack expected payloads.

Affected products

• Libreswan Libreswan: up to and including 3.7; version 3.0 only; version 3.1 only; version 3.2 only; version 3.3 only; version 3.4 only; …

Published 2014-01-26. Last modified 2026-06-17.