Canonical Ubuntu Server 22.04 LTS (Jammy Jellyfish) Update Version openvpn 2.5.11-0ubuntu0.22.04.6
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Update Summary
USN-8953-1 fixes an OpenVPN certificate subject handling vulnerability that could let a remote authenticated user impersonate other users. Ubuntu 22.04 LTS Jammy updates OpenVPN to 2.5.11-0ubuntu0.22.04.6.
Update Details
Security
- OpenVPN incorrectly handled certificate subject fields, potentially allowing a remote authenticated user to impersonate other users.
Hints
- After applying a standard system update, restart OpenVPN for all changes to take effect.
Product Information
Vendor: Canonical
Product: Ubuntu Server
Product type: Software
Application category: Utilities
Platform: Linux
Variant: 22.04 LTS (Jammy Jellyfish)
Version: openvpn 2.5.11-0ubuntu0.22.04.6
Vendor information published: Oct 22, 2026
Original release notes: View on vendor site
Published on updatealert.io: Oct 30, 2026
Description: Server operating system for Linux infrastructure and workloads.