Debian DSA-4388-1 : mosquitto - security update

Medium Nessus Plugin ID 122069


The remote Debian host is missing a security-related update.


Three vulnerabilities were discovered in the Mosquitto MQTT broker, which could result in authentication bypass. Please refer to for additional information.


Upgrade the mosquitto packages.

For the stable distribution (stretch), these problems have been fixed in version 1.4.10-3+deb9u3.

See Also

Plugin Details

Severity: Medium

ID: 122069

File Name: debian_DSA-4388.nasl

Version: 1.2

Type: local

Agent: unix

Published: 2019/02/11

Updated: 2019/03/29

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 6.8

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

CVSS v3.0

Base Score: 8.1

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:mosquitto, cpe:/o:debian:debian_linux:9.0

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

Patch Publication Date: 2019/02/10

Vulnerability Publication Date: 2019/03/27

Reference Information

CVE: CVE-2018-12546, CVE-2018-12550, CVE-2018-12551

DSA: 4388