CVE-2014-9221: Canonical Ubuntu Linux

Medium severity, CVSS 5.0. EPSS: 3.8% chance of exploitation in the next 30 days.

strongSwan 4.5.x through 5.2.x before 5.2.1 allows remote attackers to cause a denial of service (invalid pointer dereference) via a crafted IKEv2 Key Exchange (KE) message with Diffie-Hellman (DH) group 1025.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 14.10 only
• Debian Debian Linux: version 7.0 only
• Fedoraproject Fedora: version 21 only
• Opensuse Opensuse: version 13.1 only; version 13.2 only
• Strongswan Strongswan: version 4.5.0 only; version 4.5.1 only; version 4.5.2 only; version 4.5.3 only; version 4.6.0 only; version 4.6.1 only; …

Published 2015-01-07. Last modified 2026-06-17.