CVE-2018-12546

Name	CVE-2018-12546
Description	In Eclipse Mosquitto version 1.0 to 1.5.5 (inclusive) when a client publishes a retained message to a topic, then has its access to that topic revoked, the retained message will still be published to clients that subscribe to that topic in the future. In some applications this may result in clients being able cause effects that would otherwise not be allowed.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-4388-1
Debian Bugs	921976

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
mosquitto (PTS)	bullseye (security), bullseye	2.0.11-1+deb11u1	fixed
	bookworm, bookworm (security)	2.0.11-1.2+deb12u1	fixed
	sid, trixie	2.0.20-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
mosquitto	source	stretch	1.4.10-3+deb9u3		DSA-4388-1
mosquitto	source	(unstable)	1.5.6-1			921976

[jessie] - mosquitto <ignored> (Minor issue)
https://mosquitto.org/blog/2019/02/version-1-5-6-released/
https://mosquitto.org/files/cve/2018-12546