HIGH 7.0 NVD
CVE-2026-11771
OpenVPN version 2.1.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows attackers via an off-by-one buffer write in the NTLM proxy authentication to potentiall
OpenVPN version 2.1.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows attackers via an off-by-one buffer write in the NTLM proxy authentication to potentially cause a crash via a crafted NTLM response from a malicious proxy server
References
- https://community.openvpn.net/ReleaseHistory#openvpn-2621-released-1-july-2026
- https://community.openvpn.net/ReleaseHistory#openvpn-275-released-1-july-2026
- https://community.openvpn.net/Security%20Announcements/CVE-2026-11771
This high severity vulnerability with a CVSS score of 7.0 was published on 2026-07-30 via NVD.
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