CVE-2025-50054

State: Published
Severity: 5.5 Medium
Published: Jun 20, 2025
Updated: Jun 23, 2025
Reserved: Jun 11, 2025

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

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-122 Heap-based Buffer Overflow
CWE-787 Out-of-bounds Write

Affected Products

Product	Versions
ovpn-dco-winOpenVPN	before 1.3.1Affected before 2.5.9Affected

References

https://community.openvpn.net/Security%20Announcements/CVE-2025-50054
https://community.openvpn.net/Downloads#openvpn-27_alpha2-released-19-june-2025

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