Name: CVE-2018-12543: Reachable Assertion
Creator: Rapid7
Published: 2018-11-15T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2018-12543, CWE-617, CWE-20, CVSS 7.5, EPSS 0.36013

In Eclipse Mosquitto versions 1.5 to 1.5.2 inclusive, if a message is published to Mosquitto that has a topic starting with $, but that is not $SYS, e.g. $test/test, then an assert is triggered that should otherwise not be reachable and Mosquitto will exit.

CVSS Details

CVSS 3.1 Base Score: 7.5
CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Alpine Linux	—	Upgrade mosquitto	Aug 22, 2024	Nov 15, 2018
Arch Linux	—	Upgrade to the latest version of Arch Linux	Jul 11, 2025	Nov 15, 2018

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CVSS Details

Covered by Rapid7

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