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CVE-2026-81738

Updated on 07 Sep 2026

Severity

2.3 Low severity

Details

CVSS score
2.3
CVSS vector
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:L/SA:L/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
CWE ID
Links
NISTCIRCLRHELUbuntu

Overview

About vulnerability

OpenVPN 2.5.0 through 2.7.6 on Windows using the tap-windows6 driver allows attackers to trigger an out-of-bounds write via crafted DOMAIN-SEARCH entries

Details

Affected product:
Alpine Linux 3.18 ELS , Debian 11 ELS
Affected packages:
openvpn @ 2.5.1 (+1 more)

Fixes