Description
In Eclipse Mosquitto version 2.0.0 to 2.0.9, if an authenticated client that had connected with MQTT v5 sent a crafted CONNACK message to the broker, a NULL pointer dereference would occur.
References (1)
Core 1
Core References
Issue Tracking, Patch, Vendor Advisory x_refsource_confirm
https://bugs.eclipse.org/bugs/show_bug.cgi?id=572608
Scores
CVSS v3
6.5
EPSS
0.0062
EPSS Percentile
70.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Details
CWE
CWE-476
Status
published
Products (1)
eclipse/mosquitto
2.0.0 - 2.0.9
Published
Apr 07, 2021
Tracked Since
Feb 18, 2026