CVE-2018-12543

Name	CVE-2018-12543
Description	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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
mosquitto (PTS)	buster, buster (security)	1.5.7-1+deb10u1	fixed
	bullseye (security), bullseye	2.0.11-1+deb11u1	fixed
	bookworm, bookworm (security)	2.0.11-1.2+deb12u1	fixed
	sid, trixie	2.0.18-1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
mosquitto	source	(unstable)	(not affected)

Notes

- mosquitto <not-affected> (Vulnerable code introduced in 1.5)
http://mosquitto.org/blog/2018/09/security-advisory-cve-2018-12543/
https://mosquitto.org/files/cve/2018-12543/