CVE-2024-10525

Name	CVE-2024-10525
Description	In Eclipse Mosquitto, from version 1.3.2 through 2.0.18, if a malicious broker sends a crafted SUBACK packet with no reason codes, a client using libmosquitto may make out of bounds memory access when acting in its on_subscribe callback. This affects the mosquitto_sub and mosquitto_rr clients.
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)	bullseye (security), bullseye	2.0.11-1+deb11u1	vulnerable
	bookworm, bookworm (security)	2.0.11-1.2+deb12u1	vulnerable
	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	(unstable)	2.0.20-1

https://gitlab.eclipse.org/security/vulnerability-reports/-/issues/190
https://mosquitto.org/blog/2024/10/version-2-0-19-released/