CVE-2025-12106

critical

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

References

https://www.mail-archive.com/[email protected]/msg00152.html

https://euvd.enisa.europa.eu/vulnerability/EUVD-2025-199988

https://community.openvpn.net/Security%20Announcements/CVE-2025-12106

Details

Source: Mitre, NVD

Published: 2025-12-01

Updated: 2026-09-26

Risk Information

CVSS v2

Base Score: 9.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:N/A:C

Severity: High

CVSS v3

Base Score: 9.1

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

Severity: Critical

EPSS

EPSS: 0.00055

Detections

Analytics