CVE-2017-14461: Debian Linux

High severity, CVSS 7.1. EPSS: 16.7% chance of exploitation in the next 30 days.

A specially crafted email delivered over SMTP and passed on to Dovecot by MTA can trigger an out of bounds read resulting in potential sensitive information disclosure and denial of service. In order to trigger this vulnerability, an attacker needs to send a specially crafted email message to the server.

Affected products

• Debian Debian Linux: version 8.0 only; version 9.0 only
• Dovecot Dovecot: version 2.2.33.2 only
• Ubuntu Ubuntu: version 14.04 only; version 16.04 only; version 17.10 only

Published 2018-03-02. Last modified 2026-06-17.