7.7
Élevée
CVE-2026-24031 Dovecot SQL based authentication can be bypassed when auth_username_chars is cleared by admin
Description
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. Do not clear auth_username_chars. If this is not possible, install latest fixed version. No publicly available exploits are known.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| OX Dovecot Pro 3.1 | premières → 3.1.0 | Pas de correctif indiqué |
| OX Dovecot Pro 2.4 | premières → 2.4.0 | Pas de correctif indiqué |
| Red Hat Enterprise Linux 6 | Versions non publiées | |
| Red Hat Enterprise Linux 10 | Versions non publiées | |
| Red Hat Enterprise Linux 7 | Versions non publiées | |
| Red Hat Enterprise Linux 8 | Versions non publiées | |
| Red Hat Enterprise Linux 9 | Versions non publiées |
Autres CVE de OX Dovecot Pro
Les 44 CVE de OX Dovecot Pro →
CVE-2026-73209
An attacker that has valid credentials can send crafted compressed data that causes the affected process to exhaust…
6.5
Moyenne
CVE-2026-73208
An attacker that holds a token intended for a different purpose can authenticate, because when an OAuth2 token…
7.4
Élevée
CVE-2026-52687
An attacker that has valid credentials can select a compression algorithm for the IMAP connection whose decompression…
6.5
Moyenne
CVE-2026-52681
Sieve CPU resource usage is tracked in the compiled script, so an attacker that has valid credentials can reset the…
3.1
Faible