cvedb.io
CVE-2021-41039
HIGH · CVSS 7.5
EPSS exploitation probability: 0%
Published 2021-12-01T20:15:07.933 · Last modified 2026-06-17T04:07:47.517

Summary

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 products

eclipse — mosquitto

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.