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VULNERABILITIES

CVE-2025-12106 Details

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

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:9.1 CRITICALVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://community.openvpn.net/Security%20Announcements/CVE-2025-12106 [email protected]Vendor Advisory
https://www.mail-archive.com/[email protected]/msg00152.html [email protected]Mailing List

Weakness Enumeration

CWE-IDCWE NameSource
CWE-126Buffer Over-read[email protected]

Affected Products

ProductVersions
openvpn openvpn
2.6.13
2.7 alpha1
2.7 alpha2
2.7 alpha3
2.7 beta1

CPE

  • cpe:2.3:a:openvpn:openvpn:2.6.13:*:*:*:community:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.7:alpha1:*:*:community:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.7:alpha2:*:*:community:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.7:alpha3:*:*:community:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.7:beta1:*:*:community:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.7:beta2:*:*:community:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.7:beta3:*:*:community:*:*:*
  • cpe:2.3:a:openvpn:openvpn:2.7:rc1:*:*:community:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2025-12106
NVD Published Date:
Dec 1, 2025
NVD Last Modified:
Sep 26, 2026
Source:
[email protected]
CVE-2025-12106 Details - Not Deferred