Red Hat Security Advisory

RHSA-2026:41905

dovecot security update

Released 2026-07-20 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat Enterprise Linux AppStream (v. 9) dovecot-1:2.3.16-18.el9_8.1, dovecot-mysql-1:2.3.16-18.el9_8.1, dovecot-pgsql-1:2.3.16-18.el9_8.1 +1
Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) dovecot-1:2.3.16-18.el9_8.1, dovecot-devel-1:2.3.16-18.el9_8.1

TI-2026-30394 CVE-2026-42006 · GHSA-h665-fh45-xq6r

LOW 21

An attacker can cause uncontrolled memory usage with excessive bracing over IMAP.

CVSS 3.1MEDIUM 4.3 Network Low privileges No interaction EPSS 0.00621 Published 2026-05-12 Partial fix CWE-400