CVE-2020-16121: Canonical Ubuntu Linux

Low severity, CVSS 3.3. EPSS: 0.5% chance of exploitation in the next 30 days.

PackageKit provided detailed error messages to unprivileged callers that exposed information about file presence and mimetype of files that the user would be unable to determine on its own.

Affected products

• Canonical Ubuntu Linux: version 20.04 only
• Packagekit Project Packagekit: affected versions not specified

Published 2020-11-07. Last modified 2026-06-17.