Vulnerability · Published Jun 20, 2025 · Assigned by OpenVPN
CVE-2025-50054
Medium 5.5
In plain English
A medium-severity heap buffer overflow in ovpn-dco-win from OpenVPN. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.2%top 84.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Buffer overflow in OpenVPN ovpn-dco-win version 1.3.0 and earlier and version 2.5.8 and earlier allows a local user process to send a too large control message buffer to the kernel driver resulting in a system crash
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OpenVPN | ovpn-dco-win | 0 – before 1.3.10 – before 2.5.9 |
Weakness: CWE-122, CWE-787 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H