CVE-2026-24031

Publication date 27 March 2026

Last updated 27 March 2026


Ubuntu priority

Description

v2.4/v3.1 regression: SQL injection allows bypassing authentication. Dovecot SQL based authentication can be bypassed when auth_username_chars is cleared by admin. This vulnerability allows bypassing authentication for any user and user enumeration. No publicly available exploits are known.

Status

Package Ubuntu Release Status
dovecot 25.10 questing
Vulnerable
24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected


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