CVE-2026-78129: Strongswan

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

strongSwan 4.6.2 through 6.0.7 has an infinite loop in PKCS#5 decryption.

Affected products

• Strongswan Strongswan: from 4.6.2, before 6.1.0 (fixed in 6.1.0)

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