|Description||In Eclipse Mosquitto version 1.6 to 2.0.10, if an authenticated client that had connected with MQTT v5 sent a crafted CONNECT message to the broker a memory leak would occur, which could be used to provide a DoS attack against the broker.|
|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.
|mosquitto (PTS)||buster, buster (security)||1.5.7-1+deb10u1||fixed|
The information below is based on the following data on fixed versions.
|Package||Type||Release||Fixed Version||Urgency||Origin||Debian Bugs|
[bullseye] - mosquitto <no-dsa> (Minor issue)
[buster] - mosquitto <not-affected> (Vulnerable code introduced later)
[stretch] - mosquitto <not-affected> (Vulnerable code introduced later)