CVE-2023-28366

Name	CVE-2023-28366
Description	The broker in Eclipse Mosquitto 1.3.2 through 2.x before 2.0.16 has a memory leak that can be abused remotely when a client sends many QoS 2 messages with duplicate message IDs, and fails to respond to PUBREC commands. This occurs because of mishandling of EAGAIN from the libc send function.
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	vulnerable
	bullseye	2.0.11-1	vulnerable
	bookworm	2.0.11-1.2	vulnerable
	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)	2.0.17-1

Notes

https://mosquitto.org/blog/2023/08/version-2-0-16-released/
https://github.com/eclipse/mosquitto/commit/6113eac95a9df634fbc858be542c4a0456bfe7b9 (v2.0.16)