Buffer overflow in ovpn‑dco‑win version 2.8.0 allows local attackers to cause a system crash by sending too large packets to the remote peer when the AEAD tag appears at the end of the encrypted packet
Advisories

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Fixes

Solution

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Workaround

No workaround given by the vendor.

History

Fri, 20 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 20 Feb 2026 10:15:00 +0000

Type Values Removed Values Added
First Time appeared Openvpn
Openvpn ovpn-dco-win
Vendors & Products Openvpn
Openvpn ovpn-dco-win

Thu, 19 Feb 2026 20:30:00 +0000

Type Values Removed Values Added
Description Buffer overflow in ovpn‑dco‑win version 2.8.0 allows local attackers to cause a system crash by sending too large packets to the remote peer when the AEAD tag appears at the end of the encrypted packet
Weaknesses CWE-131
References
Metrics cvssV4_0

{'score': 5.6, 'vector': 'CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:P'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: OpenVPN

Published:

Updated: 2026-02-20T20:00:31.699Z

Reserved: 2026-02-19T10:23:29.009Z

Link: CVE-2026-2738

cve-icon Vulnrichment

Updated: 2026-02-20T20:00:25.332Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-19T21:18:33.773

Modified: 2026-02-20T13:49:47.623

Link: CVE-2026-2738

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-20T09:54:08Z

Weaknesses