CVE-2025-12106

Dec. 1, 2025, 7:15 p.m.

9.1
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

Product(s) Impacted

Vendor Product Versions
Openvpn
  • Openvpn
  • 2.7_alpha1-2.7_rc1

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-126
Buffer Over-read
The product reads from a buffer using buffer access mechanisms such as indexes or pointers that reference memory locations after the targeted buffer.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a openvpn openvpn 2.7_alpha1-2.7_rc1 / / / / / / /

References

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

Tags

CWE-126
security@openvpn.net
2025-12-01
CVE-2025-12106

CVSS Score

9.1 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: HIGH
  • Integrity Impact: NONE
  • Availability Impact: HIGH

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

    View Vector String

Timeline

Published: Dec. 1, 2025, 1:16 p.m.
Last Modified: Dec. 1, 2025, 7:15 p.m.

Status : Awaiting Analysis

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

security@openvpn.net

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.