NULL Pointer Dereference Vulnerability in strongSwan x509 Plugin
CVE-2026-78130

7.5HIGH

Key Information:

Vendor

Strongswan

Status
Strongswan
Vendor
CVE Published:
11 September 2026

What is CVE-2026-78130?

A NULL pointer dereference vulnerability exists in the x509 plugin's attribute certificate parser of strongSwan versions 4.2.0 through 6.0.7. This flaw can lead to unexpected behavior or crashes in software utilizing this parsing logic, potentially exposing users to security risks. It is crucial to update to a patched version to mitigate the issues associated with this vulnerability.

Affected Version(s)

strongSwan 4.2.0 < 6.1.0

References

https://github.com/strongswan/strongswan/releases/tag/6.1.0
https://www.strongswan.org/blog/2026/09/07/strongswan-vul...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.