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Fedora 42: mqttcli Update 0.2.8 Critical Integer Overflow Issues

fedora
Calendar Grey December 20, 2025
Dist Fedora Esm H88
Update to mqttcli 0.2.8 addresses critical issues in the Fedora 42 distribution. Upgrade recommended for all users.
Update to 0.2.8

Summary

mqttcli provides two programs (pub and sub) that allow command-line access to an

MQTT broker.

sub subscribes to a topic and prints messages received to standard output.

pub publishes the provided message to the provided topic. Both programs

accept flags that can be provided as a config file.

Update Information:

Update to 0.2.8

Topics%20covered

Topics Covered

security advisory fedora update integer overflow memory exhaustion mqtt

Change Log

* Wed Dec 17 2025 Link Dupont - 0.2.8-1 - Update to 0.2.8 * Wed Dec 17 2025 Link Dupont - 0.2.7-1 - Update to 0.2.7 * Fri Oct 10 2025 Alejandro Sez - 0.2.5-9 - rebuild * Fri Aug 15 2025 Maxwell G - 0.2.5-8 - Rebuild for golang-1.25.0 * Thu Jul 24 2025 Fedora Release Engineering - 0.2.5-7 - Rebuilt for https://fedoraproject.org/wiki/Fedora_43_Mass_Rebuild

References


[ 1 ] Bug #2408071 - CVE-2025-58189 mqttcli: go crypto/tls ALPN negotiation error contains attacker controlled information [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2408071 [ 2 ] Bug #2409541 - CVE-2025-61723 mqttcli: Quadratic complexity when parsing some invalid inputs in encoding/pem [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2409541 [ 3 ] Bug #2410492 - CVE-2025-58185 mqttcli: Parsing DER payload can cause memory exhaustion in encoding/asn1 [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2410492 [ 4 ] Bug #2411390 - CVE-2025-58188 mqttcli: Panic when validating certificates with DSA public keys in crypto/x509 [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2411390 [ 5 ] Bug #2423005 - CVE-2025-10543 mqttcli: paho.mqtt.golang: Integer Overflow in UTF-8 String Encoding [fedora-42] https://bugzilla.redhat.com/show_bug.cgi?id=2423005 [ 6 ] Bug #2423014 - CVE-2025-10543 mqttcli: paho.mqtt.g...

Read the Full Advisory

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2025-34b0986502' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
important
Lowest
Low
Medium
High
Critical

Name: mqttcli
Product: Fedora 42
Version: 0.2.8
Release: 1.fc42
URL: https://github.com/subpop/mqttcli
Summary: A simple MQTT command-line client

Topics%20covered

Topics Covered

security advisory fedora update integer overflow memory exhaustion mqtt

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