Debian dsa-6197 : dovecot-auth-lua - security update

high Nessus Plugin ID 305037

Synopsis

The remote Debian host is missing one or more security-related updates.

Description

The remote Debian 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6197 advisory.

- ------------------------------------------------------------------------- Debian Security Advisory DSA-6197-1 [email protected] https://www.debian.org/security/ Moritz Muehlenhoff April 05, 2026 https://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : dovecot CVE ID : CVE-2025-59031 CVE-2025-59032 CVE-2026-27855 CVE-2026-27856 CVE-2026-27857 CVE-2026-27858 CVE-2026-27859 CVE-2026-59028 CVE-2026-24031 CVE-2026-27860 CVE-2026-0394

Multiple vulnerabilities have been discovered in the Dovecot IMAP server which way result in denial of service, SQL injection, path traversal, replay attacks or timing side channel attacks.

For the oldstable distribution (bookworm), these problems have been fixed in version 1:2.3.19.1+dfsg1-2.1+deb12u2.

For the stable distribution (trixie), these problems have been fixed in version 1:2.4.1+dfsg1-6+deb13u4.

We recommend that you upgrade your dovecot packages.

For the detailed security status of dovecot please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/dovecot

Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/

Mailing list: [email protected]

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Upgrade the dovecot-auth-lua packages.

Plugin Details

Severity: High

ID: 305037

File Name: debian_DSA-6197.nasl

Version: 1.2

Type: Local

Agent: unix

Family: Debian Local Security Checks

Published: 4/5/2026

Updated: 4/6/2026

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 7.3

Temporal Score: 5.4

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:C/A:P

CVSS Score Source: CVE-2026-24031

CVSS v3

Risk Factor: High

Base Score: 7.7

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:dovecot-dev, p-cpe:/a:debian:debian_linux:dovecot-gssapi, p-cpe:/a:debian:debian_linux:dovecot-ldap, p-cpe:/a:debian:debian_linux:dovecot-pgsql, p-cpe:/a:debian:debian_linux:dovecot-pop3d, p-cpe:/a:debian:debian_linux:dovecot-sieve, p-cpe:/a:debian:debian_linux:dovecot-sqlite, p-cpe:/a:debian:debian_linux:dovecot-lucene, p-cpe:/a:debian:debian_linux:dovecot-auth-lua, p-cpe:/a:debian:debian_linux:dovecot-submissiond, p-cpe:/a:debian:debian_linux:dovecot-core, p-cpe:/a:debian:debian_linux:dovecot-imapd, p-cpe:/a:debian:debian_linux:dovecot-lmtpd, p-cpe:/a:debian:debian_linux:dovecot-managesieved, p-cpe:/a:debian:debian_linux:dovecot-mysql, p-cpe:/a:debian:debian_linux:dovecot-solr, cpe:/o:debian:debian_linux:12.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Ease: No known exploits are available

Patch Publication Date: 4/5/2026

Vulnerability Publication Date: 3/27/2026

Reference Information

CVE: CVE-2025-59031, CVE-2025-59032, CVE-2026-0394, CVE-2026-24031, CVE-2026-27855, CVE-2026-27856, CVE-2026-27857, CVE-2026-27858, CVE-2026-27859, CVE-2026-27860, CVE-2026-59028

Detections

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