CVE-2026-78123: Strongswan

Medium severity, CVSS 5.9. EPSS: 0.4% chance of exploitation in the next 30 days.

strongSwan 5.0.2 through 6.0.7 has an Expired Pointer Dereference in PKCS#7 parsing in the openssl plugin.

Affected products

• Strongswan Strongswan: from 5.0.2, before 6.1.0 (fixed in 6.1.0)

Published 2026-09-11. Last modified 2026-09-15.