CVE-2026-40015

A flaw was found in Dovecot's imap-hibernate service. An authenticated attacker can open numerous connections and send malformed commands, leading to an out-of-bounds read. This can intermittently crash the process, interrupting hibernated IMAP sessions and causing a denial of service for affecte...

Linux Distros Unpatched Vulnerability : CVE-2026-40015

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An attacker that has valid credentials can open many connections to the imap-hibernate service and send invalid commands, which can intermittently cause an...

RHEL 7 : dovecot (Unpatched Vulnerability)

The remote Redhat Enterprise Linux 7 host has one or more packages installed that are affected by multiple vulnerabilities that have been acknowledged by the vendor but will not be patched. - dovecot: IMAP hibernation function allows mail access CVE-2020-24386 - dovecot: Privilege escalation when...

SUSE: Security Advisory (SUSE-SU-2021:0027-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

RHEL 8 : dovecot (RHSA-2021:1887)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2021:1887 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...

SUSE: Security Advisory (SUSE-SU-2021:0018-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2021 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

openSUSE: Security Advisory for dovecot23 (openSUSE-SU-2021:0072-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

openSUSE: Security Advisory for dovecot23 (openSUSE-SU-2021:0026-1)

The remote host is missing an update for the Copyright C 2021 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

openSUSE Security Update : dovecot23 (openSUSE-2021-26)

This update for dovecot23 fixes the following issues : Security issues fixed : - CVE-2020-12100: Fixed a resource exhaustion caused by deeply nested MIME parts bsc1174920. - CVE-2020-24386: Fixed an issue with IMAP hibernation that allowed users to access other users' emails bsc1180405. -...

openSUSE Security Update : dovecot23 (openSUSE-2021-72)

This update for dovecot23 fixes the following issues : Security issues fixed : - CVE-2020-12100: Fixed a resource exhaustion caused by deeply nested MIME parts bsc1174920. - CVE-2020-24386: Fixed an issue with IMAP hibernation that allowed users to access other users' emails bsc1180405. -...

Security update for dovecot23 (important)

openSUSE Security Update: Security update for dovecot23 Announcement ID: openSUSE-SU-2021:0072-1 Rating: important References: 1174920 1180405 1180406 Cross-References: CVE-2020-12100 CVE-2020-24386 CVE-2020-25275 Affected Products: openSUSE Leap 15.1 An update that fixes three vulnerabilities is...

FreeBSD : mail/dovecot -- multiple vulnerabilities (bd98066d-4ea4-11eb-b412-e86a64caca56)

Aki Tuomi reports : When imap hibernation is active, an attacker can cause Dovecot to discover file system directory structure and access other users' emails using specially crafted command. The attacker must have valid credentials to access the mail server. Mail delivery / parsing crashed when t...

GLSA-202101-01 : Dovecot: Multiple vulnerabilities

The remote host is affected by the vulnerability described in GLSA-202101-01 Dovecot: Multiple vulnerabilities Multiple vulnerabilities have been discovered in Dovecot. Please review the CVE identifiers referenced below for details. Impact : A remote attacker could send a specially crafted mail o...

Updated dovecot packages fix security vulnerabilities

It was discovered that Dovecot incorrectly handled certain imap hibernation commands. A remote authenticated attacker could possibly use this issue to access other users’ email CVE-2020-24386. Innokentii Sennovskiy discovered that Dovecot incorrectly handled MIME parsing. A remote attacker could...

OPENSUSE-SU-2021:0026-1 Security update for dovecot23

This update for dovecot23 fixes the following issues: Security issues fixed: - CVE-2020-12100: Fixed a resource exhaustion caused by deeply nested MIME parts bsc1174920. - CVE-2020-24386: Fixed an issue with IMAP hibernation that allowed users to access other users' emails bsc1180405. -...

Security update for dovecot23 (important)

openSUSE Security Update: Security update for dovecot23 Announcement ID: openSUSE-SU-2021:0026-1 Rating: important References: 1174920 1180405 1180406 Cross-References: CVE-2020-12100 CVE-2020-24386 CVE-2020-25275 Affected Products: openSUSE Leap 15.2 An update that fixes three vulnerabilities is...

SUSE SLES15 Security Update : dovecot23 (SUSE-SU-2021:0029-1)

This update for dovecot23 fixes the following issues : Security issues fixed : CVE-2020-12100: Fixed a resource exhaustion caused by deeply nested MIME parts bsc1174920. CVE-2020-24386: Fixed an issue with IMAP hibernation that allowed users to access other users' emails bsc1180405. CVE-2020-2527...

SUSE-SU-2021:0029-1 Security update for dovecot23

This update for dovecot23 fixes the following issues: Security issues fixed: - CVE-2020-12100: Fixed a resource exhaustion caused by deeply nested MIME parts bsc1174920. - CVE-2020-24386: Fixed an issue with IMAP hibernation that allowed users to access other users' emails bsc1180405. -...

SUSE-SU-2021:0018-1 Security update for dovecot22

This update for dovecot22 fixes the following issues: - CVE-2020-24386: Fixed an issue with IMAP hibernation that allowed users to access other users' emails bsc1180405...

USN-4674-1 dovecot vulnerabilities

It was discovered that Dovecot incorrectly handled certain imap hibernation commands. A remote authenticated attacker could possibly use this issue to access other users' email. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 20.10. CVE-2020-24386 Innokentii Sennovskiy...