Rocky Linux 9.6 [TuxCare] Security Update: dovecot / dovecot-devel / dovecot-mysql / dovecot-pgsql / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1778220630)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1778220630 advisory. - Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is...

AlmaLinux 9.2 [TuxCare] Security Update: dovecot / dovecot-devel / dovecot-mysql / dovecot-pgsql / etc Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1778573628)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1778573628 advisory. - Dovecot OTP authentication is vulnerable to replay attack under specific conditions. If auth cache is enabled, and username is...

Astra Linux – Vulnerability in dovecot

Doveadm credentials are verified through direct comparison, which is vulnerable to timing oracle attacks. An attacker can use this vulnerability to determine the configured credentials. Identifying these credentials allows them to gain full access to the affected component. Limit access to the...

CVE-2026-42393

A flaw was found in dovecot. The comparison mechanism for doveadm passwords and API keys is not fully timing safe. A remote attacker, with network access to the doveadm service, could repeatedly make requests and accurately measure response timings. This could allow the attacker to learn the leng...

SUSE CVE-2026-42393

The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret. An attacker with access to the same network as the doveadm service, able to make repeated requests and measure response timing accurately, can learn the length of...

Linux Distros Unpatched Vulnerability : CVE-2026-42393

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret. An attacker with access to...

CVE-2026-42393

The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret. An attacker with access to the same network as the doveadm service, able to make repeated requests and measure response timing accurately, can learn the length of...

AZL-98310 CVE-2026-42393 affecting package dovecot 2.3.20-1

The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret. An attacker with access to the same network as the doveadm service, able to make repeated requests and measure response timing accurately, can learn the length of...

ALPINE-CVE-2026-42393

The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret. An attacker with access to the same network as the doveadm service, able to make repeated requests and measure response timing accurately, can learn the length of...

CVE-2026-42393

The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret. An attacker with access to the same network as the doveadm service, able to make repeated requests and measure response timing accurately, can learn the length of...

CVE-2026-42393

The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret. An attacker with access to the same network as the doveadm service, able to make repeated requests and measure response timing accurately, can learn the length of...

CVE-2026-42393

CVE-2026-42393 affects the doveadm service in Open-Xchange's Dovecot implementation. The password and API key comparison is not fully timing-safe, allowing a network-adjacent attacker who can make repeated requests and accurately measure response times to learn the length of the configured secret...

CVE-2026-42393

The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret. An attacker with access to the same network as the doveadm service, able to make repeated requests and measure response timing accurately, can learn the length of...

CVE-2026-42393

The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret. An attacker with access to the same network as the doveadm service, able to make repeated requests and measure response timing accurately, can learn the length of...

EUVD-2026-67676

The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret. An attacker with access to the same network as the doveadm service, able to make repeated requests and measure response timing accurately, can learn the length of...

CVE-2026-42393

The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret. An attacker with access to the same network as the doveadm service, able to make repeated requests and measure response timing accurately, can learn the length of...

CVE-2026-42393

The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret. An attacker with access to the same network as the doveadm service, able to make repeated requests and measure response timing accurately, can learn the length of...

CVE-2026-42393: Exposure of Sensitive Information to an Unauthorized Actor

The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret. An attacker with access to the same network as the doveadm service, able to make repeated requests and measure response timing accurately, can learn the length of...

UBUNTU-CVE-2026-42393

The comparison used for the doveadm password and API key is not fully timing safe and can reveal the length of the configured secret. An attacker with access to the same network as the doveadm service, able to make repeated requests and measure response timing accurately, can learn the length of...

PT-2026-83069

Name of the Vulnerable Software and Affected Versions dovecot versions prior to 2.4.5-1.1 Description The comparison process for the doveadm password and API key is not fully timing safe. This allows an attacker on the same network as the doveadm service to determine the length of the configured...