Canonical Ubuntu Server 24.04 LTS (Noble Numbat) Update Version 2.6.19-0ubuntu0.24.04.5
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Update Summary
USN-8953-1 addresses an OpenVPN certificate subject handling issue that could let a remote authenticated user impersonate another user on Ubuntu 24.04 LTS.
Update Details
Security
- OpenVPN incorrectly handled certificate subject fields, potentially allowing a remote authenticated user to impersonate another user.
Hints
- Update Ubuntu 24.04 LTS to openvpn version 2.6.19-0ubuntu0.24.04.5.
- Restart OpenVPN after the standard system update so all changes take effect.
Product Information
Vendor: Canonical
Product: Ubuntu Server
Product type: Software
Application category: Utilities
Platform: Linux
Variant: 24.04 LTS (Noble Numbat)
Version: 2.6.19-0ubuntu0.24.04.5
Vendor information published: Oct 22, 2026
Original release notes: View on vendor site
Published on updatealert.io: Oct 23, 2026
Description: Server operating system for Linux infrastructure and workloads.