CVE-2026-78133CWE-416

CVE-2026-78133

High · published September 11, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
39.3
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00466 · 39.3th percentile
Weakness
CWE-416 · Use After Free
Published
2026-09-11T06:18Z
Affected products (1)
ProductVersionsFixed in
strongswan/strongswan≥ 6.0.0, < 6.1.06.1.0
References (2)
https://github.com/strongswan/strongswan/releases/tag/6.1.0 · [email protected]https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78133).html · [email protected]
EPSS history
Timeline
  • 12 SEP 03:22Z
    EPSS moved — → 0%
    epss
  • 11 SEP 01:52Z
    libcharon in strongSwan 6.0.0 through 6.0.7 has a use-after-free in IKEv2 rekeying collision handling
    cvelistv5