CVE-2026-105390

Published: Oct 13, 2026Modified: Oct 15, 2026

6.9

Vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XShow less

Source: security@openvpn.net (Secondary)

Description

Improper synchronization in the OpenVPN ovpn-dco-win for Windows versions 0.6.5 through 1.3.5 and 2.4.0 through 2.8.7 allows local attackers to trigger a deadlock via a crafted write to the ovpn-dco device, causing the host to become unresponsive.

Related CWEs

CWE-413

Improper Resource Locking

The product does not lock or does not correctly lock a resource when the product must have exclusive access to the resource.

CWE-833

Deadlock

The product contains multiple threads or executable segments that are waiting for each other to release a necessary lock, resulting in deadlock.

References (1)

https://community.openvpn.net/Security%20Announcements/CVE-2026-105390

Source: security@openvpn.net

Timeline

No history available yet.