5.3
Moyenne
CVE-2026-40016 Attacker can upload a malicious Sieve script over ManageSieve service (or locally) to bypass configured CPU time…
Description
Attacker can upload a malicious Sieve script over ManageSieve service (or locally) to bypass configured CPU time limits for Sieve up to 130 times of the configured limit. Attacker can use this to degrade server performance and bypass configured CPU time limits for Sieve scripts. Install fixed version, or alternatively prevent direct access to Sieve scripts via ManageSieve or local access. No publicly available exploits are known.
Produits et versions touchés
| Produit | Versions touchées | Corrigé en |
|---|---|---|
| OX Dovecot Pro 2.3 | premières → 2.3.0 | Pas de correctif indiqué |
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