CVE-2017-12166

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

OpenVPN versions before 2.3.3 and 2.4.x before 2.4.4 are vulnerable to a buffer overflow vulnerability when key-method 1 is used, possibly resulting in code execution.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

http://www.securityfocus.com/bid/101153Third Party Advisory, VDB Entry, URL Repurposed
http://www.securitytracker.com/id/1039470Third Party Advisory, VDB Entry, URL Repurposed
https://community.openvpn.net/openvpn/wiki/CVE-2017-12166Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00002.htmlMailing List, Third Party Advisory
http://www.securityfocus.com/bid/101153Third Party Advisory, VDB Entry, URL Repurposed
http://www.securitytracker.com/id/1039470Third Party Advisory, VDB Entry, URL Repurposed
https://community.openvpn.net/openvpn/wiki/CVE-2017-12166Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2022/05/msg00002.htmlMailing List, Third Party Advisory

Timeline

Published: Oct 4, 2017
Last modified: Jun 17, 2026
NVD status: Modified

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