CVE-2020-12108: Canonical Ubuntu Linux

Medium severity, CVSS 6.5. EPSS: 2.7% chance of exploitation in the next 30 days.

/options/mailman in GNU Mailman before 2.1.31 allows Arbitrary Content Injection.

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only
• Debian Debian Linux: version 9.0 only; version 10.0 only
• Fedoraproject Fedora: version 31 only
• GNU Mailman: before 2.1.31 (fixed in 2.1.31)
• Opensuse Backports Sle: version 15.0 only
• Opensuse Leap: version 15.1 only; version 15.2 only

Published 2020-05-06. Last modified 2026-06-17.