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CVE-2025-12106

Published: Dec 1, 2025Updated: Dec 30, 2025 Sources: CVE List NVD BDUCWE-126
NVD MITRE
9.1CVSSCRITICAL
EPSS Score
0.5%
Top 59.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

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

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-126

Affected Products

openvpnopenvpn
On-premSecurity Product
Networking Infrastructure
OpenVPNOpenVPN
On-premSecurity Product
Networking Infrastructure
Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
OpenVPNOpenVPN, Inc.
Mixed
Security Products / secure-gateway-vpn
openvpnoss-projectUSNetworking Infrastructureaka openvpn access server, connect
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
openvpn, inc.commercialUSSecurity Productsaka openvpn connect, easy-rsa, openvpn 3 linux

Exploitability

Official Patch Available

References

https://community.openvpn.net/Security%20Announcements/CVE-2025-12106
community.openvpn.net
https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00152.html
mail-archive.com
https://community.openvpn.net/Security%20Announcements/CVE-2025-12106
community.openvpn.net
and 1 more references View all →

Timeline

Published
Dec 1, 2025
Last Updated
Dec 30, 2025

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