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CVE-2026-40020

Опубликовано: 12 мая 2026
Источник: debian
EPSS Низкий

Описание

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imap_acl_allow_anyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed version. No publicly available exploits are known.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
dovecotfixed1:2.4.4+dfsg1-1package

Примечания

  • https://www.openwall.com/lists/oss-security/2026/05/12/6

  • Fixed by: https://github.com/dovecot/core/commit/b7daa4104ff064c1fb549540cc9d96c2d9e2509c (2.4.4)

  • Fixed by: https://github.com/dovecot/core/commit/20b48c3db5fed7ccaa8e0a4c10ca54f6dc36a63d (2.4.4)

  • Fixed by: https://github.com/dovecot/core/commit/1cf6ad1a119e5dace816e401e73ba6cc11d1472e (2.4.4)

EPSS

Процентиль: 19%
0.00271
Низкий

Связанные уязвимости

CVSS3: 3.1
ubuntu
3 месяца назад

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imap_acl_allow_anyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed version. No publicly available exploits are known.

CVSS3: 6.5
redhat
3 месяца назад

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imap_acl_allow_anyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed version. No publicly available exploits are known.

CVSS3: 3.1
nvd
3 месяца назад

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imap_acl_allow_anyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed version. No publicly available exploits are known.

CVSS3: 3.1
github
3 месяца назад

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imap_acl_allow_anyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed version. No publicly available exploits are known.

CVSS3: 4.3
fstec
3 месяца назад

Уязвимость файла dovecot-acl почтовых серверов Dovecot и OX Dovecot Pro, связанная с недостатками разграничения доступа, позволяющая нарушителю вызвать отказ в обслуживании

EPSS

Процентиль: 19%
0.00271
Низкий