CVE-2026-78127: Strongswan

Low severity, CVSS 3.7. EPSS: 0.4% chance of exploitation in the next 30 days.

libcharon in strongSwan 4.1.2 through 6.0.7 has a missing release of memory after its effective lifetime in the IKE message parser.

Affected products

• Strongswan Strongswan: from 4.1.2, before 6.1.0 (fixed in 6.1.0)

Published 2026-09-11. Last modified 2026-09-14.