RHSA-2020:3735 — Security Advisory

Red Hat Security Advisory: dovecot security update

Loading…

Severity

Important

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · September 14, 2020

Updated · November 22, 2025

Topic

An update for dovecot is now available for Red Hat Enterprise Linux 8.0 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages.

Security Fix(es):

  • dovecot: Resource exhaustion via deeply nested MIME parts (CVE-2020-12100)

  • dovecot: Out of bound reads in dovecot NTLM implementation (CVE-2020-12673)

  • dovecot: Crash due to assert in RPA implementation (CVE-2020-12674)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Related CVEs

RHSA-2020:3735 — Red Hat Security Advisory: dovecot security update | PulseLinux