Astra Linux - уязвимость в dovecot

A issue was discovered in the auth component of Dovecot 2.2 and 2.3 before 2.3.20. When two passdb configuration entries exist with the same driver and args settings, incorrect usernamefilter and mechanism settings can be applied to passdb definitions. These incorrectly applied settings can lead ...

SUSE CVE-2026-27855

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...

EUVD-2026-16563

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...

CVE-2026-27855

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...

ALPINE-CVE-2026-27855

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...

UBUNTU-CVE-2026-27855

Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is altered in passdb, then OTP credentials can be cached so that same OTP reply is valid. An attacker able to observe an OTP exchange is able to log in as the user. If...

PT-2026-28363

Name of the Vulnerable Software and Affected Versions Dovecot versions prior to 2.4.3 Description Dovecot OTP authentication is susceptible to a replay attack under certain conditions. Specifically, if the authentication cache is enabled and a username is modified within the passdb, OTP credentia...

CVE-2025-30189

When cache is enabled, some passdb/userdb drivers incorrectly cache all users with same cache key, causing wrong cached information to be used for these users. After cached login, all subsequent logins are for same user. Install fixed version or disable caching either globally or for the impacted...

AZL-69835 CVE-2025-30189 affecting package dovecot 2.3.20-1

When cache is enabled, some passdb/userdb drivers incorrectly cache all users with same cache key, causing wrong cached information to be used for these users. After cached login, all subsequent logins are for same user. Install fixed version or disable caching either globally or for the impacted...

UBUNTU-CVE-2025-30189

When cache is enabled, some passdb/userdb drivers incorrectly cache all users with same cache key, causing wrong cached information to be used for these users. After cached login, all subsequent logins are for same user. Install fixed version or disable caching either globally or for the impacted...

CVE-2025-30189

When cache is enabled, some passdb/userdb drivers incorrectly cache all users with same cache key, causing wrong cached information to be used for these users. After cached login, all subsequent logins are for same user. Install fixed version or disable caching either globally or for the impacted...

CVE-2025-30189

When cache is enabled, some passdb/userdb drivers incorrectly cache all users with same cache key, causing wrong cached information to be used for these users. After cached login, all subsequent logins are for same user. Install fixed version or disable caching either globally or for the impacted...

CVE-2025-30189

When cache is enabled, some passdb/userdb drivers incorrectly cache all users with same cache key, causing wrong cached information to be used for these users. After cached login, all subsequent logins are for same user. Install fixed version or disable caching either globally or for the impacted...

CVE-2025-30189

CVE-2025-30189 affects Open-Xchange OX Dovecot Pro (and dovecot-based components) where enabling authentication caching causes incorrect caching: multiple users sharing the same cache key leads to the cached entry being reused for subsequent logins. The issue is described in multiple advisories (...

CVE-2025-30189

When cache is enabled, some passdb/userdb drivers incorrectly cache all users with same cache key, causing wrong cached information to be used for these users. After cached login, all subsequent logins are for same user. Install fixed version or disable caching either globally or for the impacted...

SUSE CVE-2025-30189

When cache is enabled, some passdb/userdb drivers incorrectly cache all users with same cache key, causing wrong cached information to be used for these users. After cached login, all subsequent logins are for same user. Install fixed version or disable caching either globally or for the impacted...

Advisory ROSA-SA-2025-3015

Software: dovecot 2.3.21.1 OS: ROSA-CHROME unaffected versions = dovecot-2.3.21.1-6 affected versions dovecot-2.3.21.1-6 CVE-ID: CVE-2022-30550 BDU-ID: 2022-04273 CVE-Crit: MEDIUM CVE-DESC.: A vulnerability in the passdb account database of the Dovecot mail server is related to configuration...

Advisory ROSA-SA-2025-3014

software: cert-sh-functions 1.0.6 WASP: ROSA-CHROME unaffected versions = cert-sh-functions-1.0.6-5 affected versions cert-sh-functions-1.0.6-5 CVE-ID: CVE-2022-30550 BDU-ID: 2022-04273 CVE-Crit: MEDIUM CVE-DESC.: A vulnerability in the passdb account database of the Dovecot mail server is relate...

Linux Distros Unpatched Vulnerability : CVE-2022-30550

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in the auth component in Dovecot 2.2 and 2.3 before 2.3.20. When two passdb configuration entries exist with the same driver and args...

GLSA-202310-19 : Dovecot: Privilege Escalation

The remote host is affected by the vulnerability described in GLSA-202310-19 Dovecot: Privilege Escalation - An issue was discovered in the auth component in Dovecot 2.2 and 2.3 before 2.3.20. When two passdb configuration entries exist with the same driver and args settings, incorrect...