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VULNERABILITIES

CVE-2026-35058 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://www.talosintelligence.com/vulnerability_reports/TALOS-2026-2381 CVEExploitMitigationThird Party Advisory
https://community.openvpn.net/ReleaseHistory#openvpn-2620-released-22-april-2026 [email protected]Release Notes
https://community.openvpn.net/ReleaseHistory#openvpn-272-released-22-april-2026 [email protected]Release Notes
https://community.openvpn.net/Security%20Announcements/CVE-2026-35058 [email protected]Vendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-617Reachable Assertion[email protected]

Affected Products

ProductVersions
openvpn openvpn
>= 2.6.0, < 2.6.20
>= 2.7, < 2.7.2

CPE

  • cpe:2.3:a:openvpn:openvpn:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

6 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2026-35058
NVD Published Date:
Jun 8, 2026
NVD Last Modified:
Aug 11, 2026
Source:
[email protected]
CVE-2026-35058 Details - Not Deferred