CVE-2019-0816: Canonical Ubuntu Linux

Medium severity, CVSS 5.1. EPSS: 1.4% chance of exploitation in the next 30 days.

A security feature bypass exists in Azure SSH Keypairs, due to a change in the provisioning logic for some Linux images that use cloud-init, aka 'Azure SSH Keypairs Security Feature Bypass Vulnerability'.

Affected products

• Canonical Ubuntu Linux: version 18.04 only

Published 2019-04-09. Last modified 2026-06-17.