CVE-2015-2775: Canonical Ubuntu Linux

High severity, CVSS 7.6. EPSS: 7.9% chance of exploitation in the next 30 days.

Directory traversal vulnerability in GNU Mailman before 2.1.20, when not using a static alias, allows remote attackers to execute arbitrary files via a .. (dot dot) in a list name.

Affected products

• Canonical Ubuntu Linux: version 12.04 only; version 14.04 only; version 14.10 only
• Debian Debian Linux: version 7.0 only
• GNU Mailman: up to and including 2.1.19
• Red Hat Enterprise Linux: version 7.0 only

Published 2015-04-13. Last modified 2026-06-17.