CVE-2013-6466: Xelerance Openswan

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

Openswan 2.6.39 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

• Xelerance Openswan: up to and including 2.6.39; version 2.3.0 only; version 2.3.1 only; version 2.4.0 only; version 2.4.1 only; version 2.4.2 only; …

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