CVE-2026-78132

EUVD-2026-75906
strongSwan 5.1.3 through 6.0.7 has an infinite loop in the x509 plugin's attribute certificate parser for ietfAttrSyntax.
Infinite Loop
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
mitreCNA
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 23.46%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
strongswanstrongswan
5.1.3 ≤
𝑥
< 6.1.0
CNA
Debian logo
Debian Releases
Debian Product
Codename
strongswan
bookworm
vulnerable
bookworm (security)
vulnerable
forky
vulnerable
sid
6.1.0-2
fixed
trixie
vulnerable
trixie (security)
6.0.1-6+deb13u7
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
strongswan
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
resolute
needs-triage
trusty
needs-triage
xenial
needs-triage
openSUSE logo
openSUSE / SLES Releases
openSUSE Product
Release
strongswan
suse enterprise desktop 15 SP7
5.9.14-150700.3.21.2
fixed
suse enterprise sap 15 SP7
5.9.14-150700.3.21.2
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 15 SP7
5.9.14-150700.3.21.2
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 15 SP7
5.9.14-150700.3.21.2
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 15 SP7
5.9.14-150700.3.21.2
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 15 SP7
5.9.14-150700.3.21.2
fixed
suse enterprise server 15 SP7
5.9.14-150700.3.21.2
fixed