What’s Vulnerable › Vulnerabilities

CVE-2026-78132

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-11 · updated 2026-09-14
• Weakness: CWE-835

Description

strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x509 plugin's attribute certificate parser for ietfAttrSyntax.

Affected products

• strongSwan: from 5.1.3 before 6.1.0 — fixed in 6.1.0

How to fix

Upgrade to a fixed version: strongSwan 6.1.0. Check the vendor advisory for mitigations.

References

• https://github.com/strongswan/strongswan/releases/tag/6.1.0
• https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78132).html

Get alerted when CVE-2026-78132 or the next vulnerability affects your stack