In Mosquitto before 2.0.16, a memory leak occurs when clients send v5 CONNECT packets with a will message that contains invalid property types.

Fix status by distribution

Fixed packages published by each distribution for this CVE

• Alpine Linux ALPINE-CVE-2023-3592 mosquitto Fixed in: 2.0.16-r0
• Debian DEBIAN-CVE-2023-3592 mosquitto Fixed in: 2.0.11-1+deb11u1

References

• advisory github.com
• advisory nvd.nist.gov
• advisory security.gentoo.org
• web mosquitto.org