CVE-2026-78130 strongSwan - Denial of Service

strongSwan 4.2.0 through 6.0.7 contains a null pointer dereference caused by a flaw in the x509 plugin's attribute certificate parser, letting attackers cause denial of service, exploit requires crafted input.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.32% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Denial of Service
Impact
Denial Of Service
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
11 September 2026
Updated
15 October 2026
Weakness
CWE-476

Vendor fix

Update to a version later than 6.0.7 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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