yocto ▾
›
scarthgap ▾
›
vulnerability
›
CVE-2026-11771
Component Overview
Vulnerability Overview
Name
CVE-2026-11771
Source
NVD (
link
)
Debian (
link
)
Description
OpenVPN version 2.1.0 through 2.6.20 and 2.7_alpha1 through 2.7.4 allows attackers via an off-by-one buffer write in the NTLM proxy authentication to potentially cause a crash via a crafted NTLM response from a malicious proxy server
CWEs
CWE-121
Published Date
Jul 30, 2026
Updated Date
Aug 5, 2026
Workaround
-
Advisories
https://community.openvpn.net/ReleaseHistory#openvpn-2621-released-1-july-2026
Release Notes
https://community.openvpn.net/ReleaseHistory#openvpn-275-released-1-july-2026
Release Notes
https://community.openvpn.net/Security%20Announcements/CVE-2026-11771
Vendor Advisory
Analysis
#
Affected Component
Analysis
openvpn
Exploitable
Vulnerability Ratings
#
7
CVSSv4
7.5
CVSSv31
NaN
other
Others affected components
#
Name
Project
Project Version
Version
Status
openvpn
buildroot
2025.02.x
2.6.22
Not Affected
openvpn
buildroot
master
2.7.6
Not Affected
openvpn
openwrt
master
2.7.6-r1
Not Affected
openvpn
openwrt
openwrt-25.12
2.7.6-r1
Not Affected
openvpn
yocto
kirkstone
2.5.11
Exploitable
openvpn
yocto
master
2.7.6
Not Affected