high7.5
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 potential…
Impact
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
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Openvpn | Openvpn | from 2.1.0 before 2.6.21 from 2.7 before 2.7.5 |