| Package | openvpn |
|---|---|
| Version | 2.4.0-6+deb9u6 (stretch), 2.4.7-1+deb10u3 (buster) |
| Related CVEs | CVE-2026-40215 |
A vulnerability has been discovered in OpenVPN, a virtual private network application.
- CVE-2026-40215
-
A race condition allows remote attackers to potentially cause a server crash or leak heap memory via a use-after-free triggered during TLS session promotion.
For Debian 10 buster, these problems have been fixed in version 2.4.7-1+deb10u3.
For Debian 9 stretch, these problems have been fixed in version 2.4.0-6+deb9u6.
We recommend that you upgrade your openvpn packages.
Further information about Extended LTS security advisories can be found in the dedicated section of our website.