dovecot: Fix of CVE-2017-15132

CVE-2017-15132: fix memory leak and hash-table use-after-free in authclientrequestabort lib-auth. Squashed upstream commits 1a29ed2f96da and a9b135760aea...

CLSA-2026-1777463708 dovecot: Fix of CVE-2017-15132

CVE-2017-15132: fix memory leak and hash-table use-after-free in authclientrequestabort lib-auth. Squashed upstream commits 1a29ed2f96da and a9b135760aea...

SUSE SLES12 Security Update : dovecot22 (SUSE-SU-2026:1641-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:1641-1 advisory. - CVE-2025-59031: decode2text.sh OOXML extraction may follow symlinks and read unintended files during indexing bsc1260895. - CVE-2025-59032:...

[SECURITY] [DSA 6197-3] dovecot regression update

------------------------------------------------------------------------- Debian Security Advisory DSA-6197-3 [email protected] https://www.debian.org/security/ Salvatore Bonaccorso May 01, 2026 https://www.debian.org/security/faq -...

[SECURITY] [DLA 4556-1] dovecot security update

Debian LTS Advisory DLA-4556-1 [email protected] https://www.debian.org/lts/security/ Guilhem Moulin May 01, 2026 https://wiki.debian.org/LTS Package : dovecot Version : 1:2.3.13+dfsg1-2+deb11u3 CVE ID : CVE-2025-59031 CVE-2025-59032 CVE-2026-0394 CVE-2026-27855 CVE-2026-27856...

Amazon Linux 2 : dovecot, --advisory ALAS2-2026-3252 (ALAS-2026-3252)

The version of dovecot installed on the remote host is prior to 2.2.36-6. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2026-3252 advisory. Doveadm credentials are verified using direct comparison which is susceptible to timing oracle attack. An attacker can us...

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...

CLSA-2026-1777463410 dovecot: Fix of CVE-2017-15132

CVE-2017-15132: fix memory leak and hash-table use-after-free in authclientrequestabort lib-auth. Squashed upstream commits 1a29ed2f96da and a9b135760aea...

USN-8136-2: Dovecot regression

USN-8136-1 fixed vulnerabilities in Dovecot. The update caused a regression on Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Dovecot incorrectly handled invalid base64 SASL data. An...

USN-8136-2 dovecot regression

USN-8136-1 fixed vulnerabilities in Dovecot. The update caused a regression on Ubuntu 22.04 LTS and Ubuntu 24.04 LTS. This update fixes the problem. We apologize for the inconvenience. Original advisory details: It was discovered that Dovecot incorrectly handled invalid base64 SASL data. An...

📄 Dovecot ManageSieve Crash Denial of Service

This Metasploit auxiliary module targets a denial of service vulnerability in the Dovecot ManageSieve service, where improper handling of authentication requests can lead to service crashes. Affects Dovecot CE core 2.4.0-2.4.2 and Dovecot Pro core 3.1.0-3.1.2. Fixed in versions 2.4.3 and 3.1.3...

📄 Dovecot passwd-file Path Traversal

This Metasploit auxiliary module targets a path traversal vulnerability in Dovecot's passwd-file authentication backend when per-domain configuration is enabled. ================================================================================================================================== |...

📄 Dovecot MIME Parameter CPU Exhaustion

This Metasploit module targets a denial of service vulnerability in the Dovecot LMTP service caused by excessive CPU consumption. ================================================================================================================================== | Title : Dovecot MIME Parameter CPU...

📄 Dovecot 3.1.0 Authentication Bypass / User Enumeration

This Metasploit auxiliary module targets an LDAP injection vulnerability in Dovecot mail servers that can lead to authentication bypass or user enumeration via IMAP/POP3. Version 3.1.0 is affected...

📄 Dovecot OTP Replay Attack

This Metasploit auxiliary module targets a vulnerability in Dovecot's OTP One-Time Password authentication system that allows potential replay attacks when authentication caching is enabled and username handling is improperly managed...

📄 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. ==================================================================================================================================...

📄 Dovecot IMAP NOOP Command Memory Exhaustion Denial of Service

This Metasploit auxiliary module targets a memory exhaustion vulnerability in the Dovecot IMAP service. It opens multiple concurrent TCP connections and sends specially crafted NOOP commands containing deeply nested parentheses to force excessive memory allocation on the server. By sustaining the...

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...

Amazon Linux 2023 : dovecot, dovecot-devel, dovecot-mysql (ALAS2023-2026-1570)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1570 advisory. 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...

OESA-2026-1849 dovecot security update

Dovecot is an IMAP server for Linux/UNIX-like systemsa wrapper package that will just handle common things for all versioned dovecot packages. Security Fixes: Dovecot has provided a script to use for attachment to text conversion. This script unsafely handles zip-style attachments. Attacker can u...