CVE-2025-50054

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-06-20 · updated 2026-06-17
Weakness: CWE-122

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

OpenVPN ovpn-dco-win: through 1.3.0; from 2.4.0 through 2.5.8

References

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

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