CVE-2025-12106

State: Published
Severity: 9.1 Critical
Published: Dec 1, 2025
Updated: Dec 1, 2025
Reserved: Oct 23, 2025

Description

Insufficient argument validation in OpenVPN 2.7_alpha1 through 2.7_rc1 allows an attacker to trigger a heap buffer over-read when parsing IP addresses

Scores

CVSS	Score	Vector	Source
3.1	9.1 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H	CISA-ADP

Weaknesses

CWE-126 Buffer Over-read

Affected Products

Product	Versions
OpenVPNOpenVPN	2.7_alpha1 through 2.7_rc1Affected

References

https://community.openvpn.net/Security%20Announcements/CVE-2025-12106vendor-advisory
https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00152.htmlrelease-notes

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