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CVE-2021-41039

HIGH CVSS: 7.5 Published: 2021-12-01 Modified: 2026-06-17

Description

In versions 1.6 to 2.0.11 of Eclipse Mosquitto, an MQTT v5 client connecting with a large number of user-property properties could cause excessive CPU usage, leading to a loss of performance and possible denial of service.

Affected Platforms

Eclipse Mosquitto

Weakness Type

CWE-1050, NVD-CWE-Other

References