OESA-2026-2722 dovecot security update

Dovecot is an IMAP server for Linux/UNIX-like systems, written with security primarily in mind. It also contains a small POP3 server. It supports mail in either of maildir or mbox formats. Security Fixes: Attacker can use a specially crafted base64 exchange between Dovecot and Client to fake SCRA...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : Dovecot vulnerabilities (USN-8365-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8365-1 advisory. It was discovered that Dovecot incorrectly treated some variable expansion pipelines as safe in authentication filters. A...

USN-8365-1: Dovecot vulnerabilities

It was discovered that Dovecot incorrectly treated some variable expansion pipelines as safe in authentication filters. An attacker could possibly use this issue to perform SQL or LDAP injection attacks. This issue only affected Ubuntu 25.10 and Ubuntu 26.04 LTS. CVE-2026-27851 It was discovered...

Linux Distros Unpatched Vulnerability : CVE-2026-40020

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imapaclallowanyone=no. This causes folders to be...

CVE-2026-40020

A flaw was found in dovecot. A remote attacker can exploit the Internet Message Access Protocol IMAP SETACL command to inject "anyone" permissions into a user's dovecot-acl file, even when the imapaclallowanyone setting is disabled. This vulnerability allows an attacker to spam folders to all...

SUSE CVE-2026-40020

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imapaclallowanyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed...

EUVD-2026-29471

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imapaclallowanyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed...

CVE-2026-40020

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imapaclallowanyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed...

AZL-86808 CVE-2026-40020 affecting package dovecot 2.3.20-1

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imapaclallowanyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed...

CVE-2026-40020

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imapaclallowanyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed...

UBUNTU-CVE-2026-40020

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imapaclallowanyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed...

CVE-2026-40020

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imapaclallowanyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed...

CVE-2026-40020

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imapaclallowanyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed...

CVE-2026-40020

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imapaclallowanyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed...

CVE-2026-40020

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imapaclallowanyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed...

CVE-2026-40020

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imapaclallowanyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed...

Open-Xchange OX Dovecot Pro 访问控制错误漏洞

Open-Xchange OX Dovecot Pro is an email storage and delivery system provided by the German company Open-Xchange. Open-Xchange OX Dovecot Pro has a access control vulnerability. This vulnerability stems from the IMAP SETACL command, which allows the anyone permission to be injected into the user’s...

CVE-2026-40020: Improper Access Control

Attacker can use the IMAP SETACL command to inject the anyone permission to user's dovecot-acl file even if imapaclallowanyone=no. This causes folders to be spammed to all users. The impact is limited to being able to spam folders to other users, no unexpected access is gained. Install to fixed...

Debian DSA-2264-1 : linux-2.6 - privilege escalation/denial of service/information leak

Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leak. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2010-2524 David Howells reported an issue in the Common...

[SECURITY] [DSA 2240-1] linux-2.6 security update

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 - ---------------------------------------------------------------------- Debian Security Advisory DSA-2240-1 [email protected] http://www.debian.org/security/ dann frazier May 24, 2011 http://www.debian.org/security/faq -...