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TI-2026-82011 Aliases CVE-2026-115402GHSA-h484-rm8p-m8mw

Race condition in OpenVPN ovpn-dco-win lets local users crash systems

Priority LOW 24CWE-362Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
Present
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

OpenVPN ovpn-dco-win from 0.6.5 through 2.8.13 contains a race condition (CWE-362) in the TCP connect path. A local user with no privileges can trigger a system crash, causing a denial of service.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0012 1st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenVPNovpn-dco-win0.6.5 – 2.8.13—No fix listedCNA
  • ovpn-dco-win VendorOpenVPN Affected 0.6.5 – 2.8.13 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for OpenVPN ovpn-dco-win.

Written with Claude Haiku 5.5 from the sources below · 2026-11-05

Timeline

  1. 2026-10-28 Threatist record created from CVE-2026-115402
  2. 2026-10-28 Alias added: GHSA-h484-rm8p-m8mw
  3. 2026-10-30 Priority changed: MEDIUM → LOW
  4. 2026-11-06 CISA SSVC decision points changed

References

Advisory 1

  • TI-2024-01215 Integer overflow in OpenVPN tap-windows6 CVSS 3.1CRITICAL 9.8
  • TI-2014-04453 Unquoted Windows search path vulnerability in the ptservice service prior to… CVSS 3.1MEDIUM 5.3
  • TI-2022-00467 Authentication bypass in OpenVPN CVSS 3.1CRITICAL 9.8
  • TI-2024-18509 Unrestricted file upload in OpenVPN 2 CVSS 3.1CRITICAL 9.8
  • TI-2024-16468 The interactive service in OpenVPN 2.6.9 and earlier allows the OpenVPN service pipe to… CVSS 3.1HIGH 7.5
  • TI-2023-25309 Use after free in OpenVPN 2 CVSS 3.1CRITICAL 9.8
See all 99 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences