CVE-2026-11604

Published Jun 10, 2026

Last updated 3 days ago

Overview

Description
An incorrect buffer size calculation in the epoch key generator in OpenVPN ovpn-dco-win version 2.0.0 through 2.8.3 allows a remote authenticated peer to trigger a heap-based buffer overflow and kernel memory corruption via a crafted data packet, resulting in a system crash (denial of service).
Source
security@openvpn.net
NVD status
Awaiting Analysis

Risk scores

CVSS 4.0

Type
Secondary
Base score
5.6
Impact score
-
Exploitability score
-
Vector string
CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Severity
MEDIUM

Weaknesses

security@openvpn.net
CWE-122

Social media

Hype score
Not currently trending