CVE-2020-14928: Canonical Ubuntu Linux

Medium severity, CVSS 5.9. EPSS: 2.8% chance of exploitation in the next 30 days.

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection."

Affected products

• Canonical Ubuntu Linux: version 16.04 only; version 18.04 only; version 20.04 only
• Debian Debian Linux: version 9.0 only; version 10.0 only
• Fedoraproject Fedora: version 31 only
• Gnome Evolution-Data-Server: up to and including 3.36.3

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