CVEvulnerability

CVE-2026-11604

5.6 MEDIUM Published 2026-06-10 Modified 2026-09-24 Official page ↗
Status
Analyzed
Published
2026-06-10
Last modified
2026-09-24
Assigner
[email protected]
CVSS 4.0 ([email protected])
5.6 MEDIUM — 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
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-122, CWE-131, CWE-787

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).

Affected configurations

• openvpn ovpn-dco-win (>= 2.0.0 <= 2.8.3)

Related

Weakness · CWE (3)

  • CWE-122 Heap-based Buffer Overflow weakness
  • CWE-131 Incorrect Calculation of Buffer Size weakness
  • CWE-787 Out-of-bounds Write weakness

References