CVE-2025-12106

See a problem?
Please try reporting it to the source first.

Source

https://cve.org/CVERecord?id=CVE-2025-12106

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-12106.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2025-12106

Published

2025-12-01T12:43:02.480Z

Modified

2026-08-12T03:51:25.940534385Z

Severity

9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H CVSS Calculator

Summary

[none]

Details

Insufficient argument validation in OpenVPN 2.7alpha1 through 2.7rc1 allows an attacker to trigger a heap buffer over-read when parsing IP addresses

Database specific

{
    "cwe_ids": [
        "CWE-126"
    ],
    "cna_assigner": "OpenVPN",
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "introduced": "2.7_alpha1"
                },
                {
                    "last_affected": "2.7_rc1"
                }
            ]
        },
        {
            "source": "DESCRIPTION",
            "extracted_events": [
                {
                    "introduced": "2.7_alpha1"
                },
                {
                    "fixed": "2.7_rc1"
                }
            ]
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12106.json"
}

References

Affected packages

Git / github.com/openvpn/openvpn

Affected ranges

Type

GIT

Repo

https://github.com/openvpn/openvpn

Events

Introduced

5662b3a8eb9e5744602a6da8cf3847455a0ba74f

Last affected

e37f7692df1f258e2d94ee44ac75c5f24e4d6b2d

Database specific

Show details

{
    "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:*:*:*"
    ],
    "source": "CPE_STRING",
    "extracted_events": [
        {
            "introduced": "2.6.13"
        },
        {
            "last_affected": "2.6.13"
        },
        {
            "introduced": "2.7-alpha1"
        },
        {
            "last_affected": "2.7-alpha1"
        },
        {
            "introduced": "2.7-alpha2"
        },
        {
            "last_affected": "2.7-alpha2"
        },
        {
            "introduced": "2.7-alpha3"
        },
        {
            "last_affected": "2.7-alpha3"
        },
        {
            "introduced": "2.7-beta1"
        },
        {
            "last_affected": "2.7-beta1"
        },
        {
            "introduced": "2.7-beta2"
        },
        {
            "last_affected": "2.7-beta2"
        },
        {
            "introduced": "2.7-beta3"
        },
        {
            "last_affected": "2.7-beta3"
        },
        {
            "introduced": "2.7-rc1"
        },
        {
            "last_affected": "2.7-rc1"
        }
    ]
}

Affected versions

2.*

2.6.13

2.7-alpha1

2.7-alpha2

2.7-alpha3

2.7-beta1

2.7-beta2

2.7-beta3

2.7-rc1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-12106.json"