OpenVPN OpenVPN
At a glance
- Source
- NVD
- EPSS
- EPSS 0.37 % · percentile 31 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- OpenVPN
- NVD status
- Analyzed
Description
A race condition in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.
Weaknesses (CWE)
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 4.0 | MEDIUM 6.1 | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L | OpenVPN |
| CVSS 4.0 | MEDIUM 6.1 | CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:N/VA:H/SC:L/SI:N/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD · security@openvpn.net (Secondary) |
| CVSS 3.1 | HIGH 7.4 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2026-35200
- GCVE · GCVE-0-2026-40215
CERT-FR advisories
- CERTFR-2026-AVI-1021 — Multiples vulnérabilités dans Stormshield Network Security · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*≥ 2.6.0 < 2.6.20cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*≥ 2.7 < 2.7.2
Affected products
| Product | Versions |
|---|---|
| OpenVPN · OpenVPN | affected 2.6.0 ≤ 2.6.19 ; affected 2.7_alpha1 ≤ 2.7.1 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |