CVE-2026-35058_CVE-2026-35058

6.9 / 10

MEDIUM

CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

Description

Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.

Basic Information

ID CVE-2026-35058

Source OpenVPN

Published Jun 8, 2026 at 19:29

Affected Product

Vendor OpenVPN

Product OpenVPN

Version 2.6.0

Affected Versions OpenVPN OpenVPN 2.6.0
OpenVPN OpenVPN 2.7_alpha1

CWE Classification

CWE-617

References

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    "lastseen": "",
    "description": "Improper validation of packet length during tls-crypt-v2 key extraction in OpenVPN 2.6.0 through 2.6.19 and 2.7_alpha1 through 2.7.1 allows authenticated attackers to trigger a fatal assertion and cause a denial of service via a specially crafted packet.",
    "published": "2026-06-08T19:29:56.309Z",
    "modified": "2026-06-08T19:29:56.309Z",
    "type": "cve",
    "title": "CVE-2026-35058",
    "source": "OpenVPN",
    "references": "https://community.openvpn.net/Security%20Announcements/CVE-2026-35058\nhttps://community.openvpn.net/ReleaseHistory#openvpn-272-released-22-april-2026\nhttps://community.openvpn.net/ReleaseHistory#openvpn-2620-released-22-april-2026",
    "id": "CVE-2026-35058",
    "bulletinFamily": "",
    "cwe": [
        "CWE-617"
    ],
    "cvelist": null,
    "sourceData": "OpenVPN OpenVPN 2.6.0\nOpenVPN OpenVPN 2.7_alpha1",
    "sourceHref": "",
    "cvss": {
        "score": 6.9,
        "severity": "MEDIUM",
        "vector": "CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H",
        "version": "4.0"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
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            "attackComplexity": "",
            "privilegesRequired": "",
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            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "OpenVPN",
    "version": "2.6.0",
    "vendor": "OpenVPN",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}