[ CVE-2026-105390 · Published 13 Oct 2026 ]
Vulnerability in OpenVPN ovpn-dco-win
CVSS 6.9
EPSS <1%No fix listed yet
[ Description ]Official 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.
[ Fixes ]Fixes and patches
No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.