CVE-2025-50054: Buffer Overflow

Published Jun 20, 2025
·
Updated

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 Software

3 affected components
OpenVPN ovpn-dco-win<=1.3.0, <=2.5.8
OpenVPN ovpn-dco-win<=1.3.0
OpenVPN ovpn-dco-win>=2.4.0<=2.5.8

Event History

Jun 20, 2025
CVE Published
via MITRE·06:29 AM
Data Sourced
via MITRE·06:29 AM
DescriptionWeakness
Data Sourced
via NVD·07:15 AM
DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

1

What is the severity of CVE-2025-50054?

CVE-2025-50054 is classified as a critical vulnerability due to its potential to cause a system crash.

2

How do I fix CVE-2025-50054?

To fix CVE-2025-50054, upgrade OpenVPN ovpn-dco-win to version 1.3.1 or later for v1.3.x, and to version 2.5.9 or later for v2.5.x.

3

What systems are affected by CVE-2025-50054?

CVE-2025-50054 affects OpenVPN ovpn-dco-win versions 1.3.0 and earlier and version 2.5.8 and earlier.

4

What does CVE-2025-50054 exploit?

CVE-2025-50054 exploits a buffer overflow vulnerability that allows local user processes to send excessively large control messages.

5

What impact does CVE-2025-50054 have on users?

The impact of CVE-2025-50054 can result in a system crash, leading to potential data loss and downtime.

Contact

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