CVE-2011-3150: Canonical Ubuntu Linux

Medium severity, CVSS 6.8. EPSS: 1.9% chance of exploitation in the next 30 days.

Software Center in Ubuntu 11.10, 11.04 10.10 does not properly validate server certificates, which allows remote attackers to execute arbitrary code or obtain sensitive information via a man-in-the-middle (MITM) attack.

Affected products

• Canonical Ubuntu Linux: version 10.10 only; version 11.04 only; version 11.10 only

Published 2011-11-29. Last modified 2026-06-16.