CVE-2026-84790

Publication date 13 October 2026

Last updated 22 October 2026


Ubuntu priority

Description

OpenVPN 2.7_alpha1 through 2.7.7 allows remote authenticated users to impersonate others via a crafted certificate subject field

Status

Package Ubuntu Release Status
openvpn 26.10 stonking
Fixed in 2.7.7-1ubuntu1.1
26.04 LTS resolute
Fixed in 2.7.0-1ubuntu1.4
24.04 LTS noble
Fixed in 2.6.19-0ubuntu0.24.04.5
22.04 LTS jammy
Fixed in 2.5.11-0ubuntu0.22.04.6
20.04 LTS focal
Needs evaluation
18.04 LTS bionic
Needs evaluation
16.04 LTS xenial
Needs evaluation
14.04 LTS trusty
Needs evaluation

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
openvpn

Severity score breakdown

CVSS version: CVSS v4.0

Base score 7.6 · High

Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

References

Related Ubuntu Security Notices (USN)

    • USN-8953-1
    • OpenVPN vulnerability
    • 22 October 2026

Other references


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