CVE-2025-13086

Publication date 19 November 2025

Last updated 28 November 2025

Ubuntu priority

Medium

Why this priority?

Description

[HMAC verification check: fix incorrect memcmp() call]

Read the notes from the security team

Status

Package Ubuntu Release Status
openvpn 25.10 questing
Fixed 2.6.14-2ubuntu1.1
25.04 plucky
Fixed 2.6.14-0ubuntu0.25.04.3
24.04 LTS noble
Fixed 2.6.14-0ubuntu0.24.04.3
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Needs evaluation

Notes

mdeslaur

This only affects 2.6.0 through 2.6.15

Patch details

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

Package Patch details
openvpn

References

Related Ubuntu Security Notices (USN)

    • USN-7898-1
    • OpenVPN vulnerability
    • 27 November 2025

Other references