CVE-2026-11771

脆弱性の種類

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

影響を受ける製品

• openvpn openvpn

参考情報

• 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