CVE-2026-115402

Race Condition in OpenVPN ovpn-dco-win TCP Connect Path Enables Local Denial of Service

Published Oct 28, 2026 CVSS 4.0 · 5.7 Medium EPSS < 1% KEV · Not listed
Description
OpenVPN ovpn-dco-win 0.6.5 through 2.8.13 allows unprivileged local users to cause a denial of service (system crash) via a race condition in the TCP connect path.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
Title Race Condition in OpenVPN ovpn-dco-win TCP Connect Path Enables Local Denial of Service
Type Values Removed Values Added
First Time appeared Openvpn
Openvpn ovpn-dco-win
Vendors & Products Openvpn
Openvpn ovpn-dco-win
Type Values Removed Values Added
Description OpenVPN ovpn-dco-win 0.6.5 through 2.8.13 allows unprivileged local users to cause a denial of service (system crash) via a race condition in the TCP connect path.
Weaknesses CWE-362
CWE-672
References
Metrics cvssV4_0

{'score': 5.7, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
OpenVPN
Published
Updated
Nov 6, 2026, 6:33 PM
Reserved
Oct 22, 2026, 11:37 AM
Status
Awaiting Analysis
Published
Oct 28, 2026, 3:17 PM
Modified
Nov 6, 2026, 7:17 PM