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Fedora 37: FEDORA-2023-e7ed15ab9e Moderate: Mosquitto Memory Leak Fixes

fedora
Calendar Grey September 1, 2023
Dist Fedora Esm H88
Fedora 37 updates mosquitto with crucial fixes addressing memory leak and security concerns for better stability.
2.0.17 Broker: * Fix `max_queued_messages 0` stopping clients from receiving messages * Fix `max_inflight_messages` not being set correctly

Summary

Mosquitto is an open source message broker that implements the MQ Telemetry

Transport protocol version 3.1 and 3.1.1 MQTT provides a lightweight method

of carrying out messaging using a publish/subscribe model. This makes it

suitable for "machine to machine" messaging such as with low power sensors

or mobile devices such as phones, embedded computers or micro-controllers

like the Arduino.

Update Information:

2.0.17 Broker: * Fix `max_queued_messages 0` stopping clients from receiving messages * Fix `max_inflight_messages` not being set correctly. Apps: * Fix `mosquitto_passwd -U` backup file creation. 2.0.16 Security: * CVE-2023-28366: Fix memory leak in broker when clients send multiple QoS 2 messages with the same message ID, but then never respond to the PUBREC commands. * CVE-2023-0809: Fix excessive memory being allocated based on malicious initial packets that are not CONNECT packets. * CVE-2023-3592: Fix memory leak when clients send v5 CONNECT packets with a will message that contains invalid property types. * Broker will now reject Will messages that attempt to publish to $CONTROL/. * Broker now validates usernames provided in a TLS certificate or TLS-PSK identity are valid UTF-8. * Fix potential crash when loading invalid persistence file. * Library will no longer allow single level wildcard certificates, e.g. *.com Broker: * Fix $SYS messages being expir...

Change Log

* Wed Aug 23 2023 Peter Robinson - 2.0.17-1 - Update to 2.0.17 * Fri Aug 18 2023 Peter Robinson - 2.0.16-1 - Update to 2.0.16 * Thu Jul 20 2023 Fedora Release Engineering - 2.0.15-3 - Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild * Thu Jan 19 2023 Fedora Release Engineering - 2.0.15-2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild

References

Fedora Update Notification FEDORA-2023-e7ed15ab9e 2023-09-01 01:27:54.588682 Name : mosquitto Product : Fedora 37 Version : 2.0.17 Release : 1.fc37 URL : https://mosquitto.org/ Summary : Open Source MQTT v5/v3.1.x Broker Description : Mosquitto is an open source message broker that implements the MQ Telemetry Transport protocol version 3.1 and 3.1.1 MQTT provides a lightweight method of carrying out messaging using a publish/subscribe model. This makes it suitable for "machine to machine" messaging such as with low power sensors or mobile devices such as phones, embedded computers or micro-controllers like the Arduino.

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2023-e7ed15ab9e' at the command line. For more information, refer to the dnf documentation available at https://dnf.readthedocs.io/en/latest/command_ref.html

Severity
important
Lowest
Low
Medium
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Critical

Name: mosquitto
Product: Fedora 37
Version: 2.0.17
Release: 1.fc37
Summary: Open Source MQTT v5/v3.1.x Broker

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