CVE-2026-78133

State: Published
Severity: 7.5 High
Published: Sep 11, 2026
Updated: Sep 11, 2026
Reserved: Aug 22, 2026

Description

libcharon in strongSwan 6.0.0 through 6.0.7 has a use-after-free in IKEv2 rekeying collision handling.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	mitre

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
strongSwanstrongSwan	6.0.0 to before 6.1.0Affected

References

https://github.com/strongswan/strongswan/releases/tag/6.1.0
https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78133).html

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