CVE-2026-78126 :: Enginsight Vulnerability Database

Provider	Type	Base Score	Atk. Vector	Atk. Complexity	Priv. Required	Vector
NIST	Primary	5.9 MEDIUM	NETWORK	HIGH	NONE	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Base Score

CVSS 3.x

EPSS Score

Percentile: 40.61%

Affected Products (NVD)

Vendor	Product	Version
strongswan	strongswan	4.1.10 ≤ 𝑥 < 6.1.0

𝑥

= Vulnerable software versions

Debian Releases

Debian Product

Codename

strongswan

bookworm	vulnerable
bookworm (security)	vulnerable
forky	6.1.0-2 fixed
sid	6.1.0-2 fixed
trixie	vulnerable
trixie (security)	6.0.1-6+deb13u7 fixed

Ubuntu Releases

Ubuntu Product

Codename

strongswan

bionic	needs-triage
focal	needs-triage
jammy	Fixed in 5.9.5-2ubuntu2.8 released
noble	Fixed in 5.9.13-2ubuntu4.24.04.5 released
resolute	Fixed in 6.0.4-1ubuntu3.2 released
stonking	not-affected
trusty	needs-triage
xenial	needs-triage

openSUSE / SLES Releases

openSUSE Product

Release

strongswan

suse enterprise desktop 15 SP7	5.9.14-150700.3.21.2 fixed
suse enterprise sap 12 SP5	5.1.3-26.43.2 fixed
suse enterprise sap 15 SP4	5.9.11-150400.19.40.2 fixed
suse enterprise sap 15 SP5	5.9.11-150500.5.28.2 fixed
suse enterprise sap 15 SP6	5.9.12-150600.3.23.2 fixed
suse enterprise sap 15 SP7	5.9.14-150700.3.21.2 fixed
suse enterprise server 12 SP3	5.1.3-26.43.2 fixed
suse enterprise server 12 SP5	5.1.3-26.43.2 fixed
suse enterprise server 15 SP4	5.9.11-150400.19.40.2 fixed
suse enterprise server 15 SP5	5.9.11-150500.5.28.2 fixed
suse enterprise server 15 SP6	5.9.12-150600.3.23.2 fixed
suse enterprise server 15 SP7	5.9.14-150700.3.21.2 fixed

strongswan-doc

suse enterprise desktop 15 SP7	5.9.14-150700.3.21.2 fixed
suse enterprise sap 12 SP5	5.1.3-26.43.2 fixed
suse enterprise sap 15 SP4	5.9.11-150400.19.40.2 fixed
suse enterprise sap 15 SP5	5.9.11-150500.5.28.2 fixed
suse enterprise sap 15 SP6	5.9.12-150600.3.23.2 fixed
suse enterprise sap 15 SP7	5.9.14-150700.3.21.2 fixed
suse enterprise server 12 SP3	5.1.3-26.43.2 fixed
suse enterprise server 12 SP5	5.1.3-26.43.2 fixed
suse enterprise server 15 SP4	5.9.11-150400.19.40.2 fixed
suse enterprise server 15 SP5	5.9.11-150500.5.28.2 fixed
suse enterprise server 15 SP6	5.9.12-150600.3.23.2 fixed
suse enterprise server 15 SP7	5.9.14-150700.3.21.2 fixed

strongswan-hmac

suse enterprise desktop 15 SP7	5.9.14-150700.3.21.2 fixed
suse enterprise sap 12 SP5	5.1.3-26.43.2 fixed
suse enterprise sap 15 SP4	5.9.11-150400.19.40.2 fixed
suse enterprise sap 15 SP5	5.9.11-150500.5.28.2 fixed
suse enterprise sap 15 SP6	5.9.12-150600.3.23.2 fixed
suse enterprise sap 15 SP7	5.9.14-150700.3.21.2 fixed
suse enterprise server 12 SP3	5.1.3-26.43.2 fixed
suse enterprise server 12 SP5	5.1.3-26.43.2 fixed
suse enterprise server 15 SP4	5.9.11-150400.19.40.2 fixed
suse enterprise server 15 SP5	5.9.11-150500.5.28.2 fixed
suse enterprise server 15 SP6	5.9.12-150600.3.23.2 fixed
suse enterprise server 15 SP7	5.9.14-150700.3.21.2 fixed

strongswan-ipsec

suse enterprise desktop 15 SP7	5.9.14-150700.3.21.2 fixed
suse enterprise sap 12 SP5	5.1.3-26.43.2 fixed
suse enterprise sap 15 SP4	5.9.11-150400.19.40.2 fixed
suse enterprise sap 15 SP5	5.9.11-150500.5.28.2 fixed
suse enterprise sap 15 SP6	5.9.12-150600.3.23.2 fixed
suse enterprise sap 15 SP7	5.9.14-150700.3.21.2 fixed
suse enterprise server 12 SP3	5.1.3-26.43.2 fixed
suse enterprise server 12 SP5	5.1.3-26.43.2 fixed
suse enterprise server 15 SP4	5.9.11-150400.19.40.2 fixed
suse enterprise server 15 SP5	5.9.11-150500.5.28.2 fixed
suse enterprise server 15 SP6	5.9.12-150600.3.23.2 fixed
suse enterprise server 15 SP7	5.9.14-150700.3.21.2 fixed

strongswan-libs0

suse enterprise desktop 15 SP7	5.9.14-150700.3.21.2 fixed
suse enterprise sap 12 SP5	5.1.3-26.43.2 fixed
suse enterprise sap 15 SP4	5.9.11-150400.19.40.2 fixed
suse enterprise sap 15 SP5	5.9.11-150500.5.28.2 fixed
suse enterprise sap 15 SP6	5.9.12-150600.3.23.2 fixed
suse enterprise sap 15 SP7	5.9.14-150700.3.21.2 fixed
suse enterprise server 12 SP3	5.1.3-26.43.2 fixed
suse enterprise server 12 SP5	5.1.3-26.43.2 fixed
suse enterprise server 15 SP4	5.9.11-150400.19.40.2 fixed
suse enterprise server 15 SP5	5.9.11-150500.5.28.2 fixed
suse enterprise server 15 SP6	5.9.12-150600.3.23.2 fixed
suse enterprise server 15 SP7	5.9.14-150700.3.21.2 fixed

Azure Linux Releases

Azure Package

Release

strongswan

Azure Linux 3.0

0:5.9.14-11.azl3

fixed

Common Weakness Enumeration

CWE-476 - NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.

References

https://github.com/strongswan/strongswan/releases/tag/6.1.0

https://www.strongswan.org/blog/2026/09/07/strongswan-vulnerability-(cve-2026-78126).html