39 matches found
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...
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...
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
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...
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...
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...
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...
The vulnerability of the doveadm component of the Dovecot mail server allows a hacker to gain unauthorized access to protected information.
The vulnerability of the doveadm component of the Dovecot mail server is related to the disclosure of information based on temporal discrepancies. Exploiting this vulnerability can allow an attacker who operates remotely to gain unauthorized access to protected information...
dovecot: Doveadm: Full access via timing oracle attack in credential verification
A flaw was found in Doveadm, a component of Dovecot. An attacker can exploit a timing oracle vulnerability during the direct comparison of credentials. This allows the attacker to determine the configured credentials, potentially leading to full unauthorized access to the affected component...
SUSE-SU-2026:1641-1 Security update for dovecot22
This update for dovecot22 fixes the following issues: - CVE-2025-59031: decode2text.sh OOXML extraction may follow symlinks and read unintended files during indexing bsc1260895. - CVE-2025-59032: pigeonhole: ManageSieve panic occurs with sieve-connect as a client bsc1260902. - CVE-2026-27855: OTP...
📄 Dovecot doveadm Timing Attack / Credential Extraction
This Metasploit auxiliary module performs a timing-based side-channel attack against the Dovecot doveadm HTTP interface to extract credentials character by character. ==================================================================================================================================...
SUSE-SU-2026:21208-1 Security update for dovecot24
This update for dovecot24 fixes the following issues: - Update to v2.4.3 - CVE-2025-59028: Invalid base64 authentication can cause DoS for other logins bsc1260894. - CVE-2025-59031: decode2text.sh OOXML extraction may follow symlinks and read unintended files during indexing bsc1260895. -...
Important: dovecot
Issue Overview: Doveadm credentials are verified using direct comparison which is susceptible to timing oracle attack. An attacker can use this to determine the configured credentials. Figuring out the credential will lead into full access to the affected component. Limit access to the doveadm ht...
SUSE CVE-2026-27856
Doveadm credentials are verified using direct comparison which is susceptible to timing oracle attack. An attacker can use this to determine the configured credentials. Figuring out the credential will lead into full access to the affected component. Limit access to the doveadm http service port,...