Medium
CVE-2026-105390
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.
Announced Source revision 1
Original source ↗CVE-2026-105390
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-105390
ovpn-dco-win
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "OpenVPN",
"product": "ovpn-dco-win",
"versions": [
{
"status": "affected",
"version": "0.6.5",
"versionType": "semver",
"lessThanOrEqual": "1.3.5"
},
{
"status": "affected",
"version": "2.4.0",
"versionType": "semver",
"lessThanOrEqual": "2.8.7"
}
],
"platforms": [
"Windows"
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-105390
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #22906 · Revision 1
- Added to Heist Feed
- Publisher date