CVE-2025-50054

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

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Vendor Advisory openvpn.net
Affected: OpenVPN ovpn-dco-win
Published at:
Updated at:

References

Link Tags
https://community.openvpn.net/Security%20Announcements/CVE-2025-50054 vendor advisory
https://community.openvpn.net/Downloads#openvpn-27_alpha2-released-19-june-2025 release notes

Frequently Asked Questions

What is the severity of CVE-2025-50054?
CVE-2025-50054 has been scored as a medium severity vulnerability.
How to fix CVE-2025-50054?
To fix CVE-2025-50054, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-50054 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-50054 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-50054?
CVE-2025-50054 affects OpenVPN ovpn-dco-win.
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