Important: Red Hat Security Advisory: dovecot security update

An update for dovecot is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

Important: Red Hat Security Advisory: dovecot security update

An update for dovecot is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

dovecot: Dovecot: Denial of Service via excessive IMAP bracing

A flaw was found in Dovecot. A remote attacker can exploit this vulnerability by sending excessive open braces over the Internet Message Access Protocol IMAP, leading to uncontrolled memory usage. This can cause the affected system to consume memory up to its configured limit, resulting in a Deni...

RHSA-2026:42091 Red Hat Security Advisory: dovecot security update

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RHSA-2026:41988 Red Hat Security Advisory: dovecot security update

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The vulnerability of Dovecot and OX Dovecot Pro mail servers, related to uncontrolled resource consumption, allows attackers to cause service failures.

The vulnerability of Dovecot and OX Dovecot Pro mail servers is related to an uncontrolled consumption of resources. Exploiting this vulnerability can allow a malicious actor to cause service failures...

The vulnerability of Dovecot and OX Dovecot Pro mail servers, related to improper control of resource identifiers (“resource injection”), allows attackers to cause service failures.

The vulnerability of Dovecot and OX Dovecot Pro mail servers is related to improper control of resource identifiers “resource injection”. Exploiting this vulnerability can allow a malicious actor to cause service failures...

The vulnerability of the dovecot-acl file in Dovecot and OX Dovecot Pro mail servers, due to access control deficiencies, allows attackers to trigger service interruptions.

The vulnerability of the dovecot-acl file of Dovecot and OX Dovecot Pro servers is related to deficiencies in access control. Exploiting this vulnerability can allow a malicious actor to cause service failures...

RHEL 9 : dovecot (RHSA-2026:44373)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:44373 advisory. Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and...

The vulnerability of the Local Mail Transfer Protocol (LMTP) used by Dovecot and OX Dovecot Pro mail servers, which is related to uncontrolled resource consumption, allows attackers to cause service failures.

The vulnerability of the Local Mail Transfer Protocol LMTP used by Dovecot and OX Dovecot Pro mail servers involves an uncontrolled consumption of resources. Exploiting this vulnerability allows a malicious actor to cause service failures...

The vulnerability of the Dovecot mail server, related to insufficient input validation, allows attackers to trigger a service failure.

The vulnerability of the Dovecot mail server is related to insufficient validation of input data. Exploiting this vulnerability can allow a remote attacker to cause service failures...

RHEL 9 : dovecot (RHSA-2026:44355)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:44355 advisory. Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and...

The vulnerability of the Dovecot mail server, related to the possibility of bypassing authentication procedures, allows attackers to gain unauthorized access to protected information.

The vulnerability of the Dovecot mail server relates to the possibility of bypassing the authentication process. Exploiting this vulnerability can allow an attacker, operating remotely, to gain unauthorized access to protected information...

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, operating remotely, to gain unauthorized access to protected information...

The vulnerability of the ManageSieve mail server services Dovecot and OX Dovecot Pro, related to uncontrolled resource consumption, allows attackers to cause service failures.

The vulnerability of the ManageSieve mail server services Dovecot and OX Dovecot Pro is related to an uncontrolled consumption of resources. Exploiting this vulnerability can allow a malicious actor to cause service failures...

The vulnerability of Dovecot and OX Dovecot Pro mail servers, related to uncontrolled resource consumption, allows attackers to cause service failures.

The vulnerability of Dovecot and OX Dovecot Pro mail servers is related to an uncontrolled consumption of resources. Exploiting this vulnerability can allow a malicious actor to cause service failures...

The vulnerability of the Dovecot mail server, related to insufficient protection of service data, allows attackers to gain unauthorized access to protected information.

The vulnerability of the Dovecot mail server is related to insufficient protection of service data. Exploiting this vulnerability can allow an attacker, operating remotely, to gain unauthorized access to protected information...

The vulnerability of the ManageSieve mail server services Dovecot and OX Dovecot Pro, related to uncontrolled resource consumption, allows attackers to cause service failures.

The vulnerability of the ManageSieve mail server services Dovecot and OX Dovecot Pro is related to an uncontrolled consumption of resources. Exploiting this vulnerability can allow a malicious actor to cause service failures...

RHEL 9 : dovecot (RHSA-2026:44357)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:44357 advisory. Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and...

RLSA-2026:41988 Important: dovecot security update

Dovecot is an IMAP server for Linux and other UNIX-like systems, written primarily with security in mind. It also contains a small POP3 server, and supports e-mail in either the maildir or mbox format. The SQL drivers and authentication plug-ins are provided as subpackages. Security Fixes: doveco...