This page tracks the Debian fix status. The vulnerability itself is described on the main CVE page. View CVE-2021-41039 →

DEBIAN-CVE-2021-41039

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...

Original description

The description as published by the source.

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.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Debian:12 mosquitto

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.11-1.2"}]}]

Debian:13 mosquitto

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.11-1.2"}]}]

Debian:14 mosquitto

[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.11-1.2"}]}]

References

advisory security-tracker.debian.org