CVE-2025-50054
Unknown
Unknown - Not Provided
BaseFortify
Publication date: 2025-06-20
Last updated on: 2025-08-21
Assigner: OpenVPN Inc.
Description
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
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| openvpn | ovpn-dco-win | to 1.3.0 (inc) |
| openvpn | ovpn-dco-win | From 2.4.0 (inc) to 2.5.8 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-122 | A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). |
| CWE-787 | The product writes data past the end, or before the beginning, of the intended buffer. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a buffer overflow in OpenVPN ovpn-dco-win versions 1.3.0 and earlier and 2.5.8 and earlier. It allows a local user process to send an excessively large control message buffer to the kernel driver, which causes a system crash.
How can this vulnerability impact me? :
The vulnerability can cause a system crash by exploiting the buffer overflow, potentially leading to denial of service on the affected system.
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