CVE-2016-1579: Canonical Ubuntu Download Manager

Critical severity, CVSS 9.8. EPSS: 0.8% chance of exploitation in the next 30 days.

UDM provides support for running commands after a download is completed, this is currently made use of for click package installation. This functionality was not restricted to unconfined applications. Before UDM version 1.2+16.04.20160408-0ubuntu1 any confined application could make use of the UDM C++ API to run arbitrary commands in an unconfined environment as the phablet user.

Affected products

• Canonical Ubuntu Download Manager: affected versions not specified

Published 2019-04-22. Last modified 2026-06-17.