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Ubuntu 24.04 LTS: USN-7441-1 critical: Eclipse Mosquitto memory flaw

ubuntu
Calendar Grey April 21, 2025
Dist Ubuntu Esm H88
Serious vulnerabilities in Eclipse Mosquitto addressed, impacting Ubuntu LTS editions. Ensure your systems are updated without delay.
Several security issues were fixed in Eclipse Mosquitto.

Summary

Several security issues were fixed in Eclipse Mosquitto.

Software Description:

- mosquitto: MQTT compatible message broker

Details:

It was discovered that Eclipse Mosquitto client incorrectly handled

memory when receiving a SUBACK packet. An attacker with a malicious

broker could possibly use this issue to execute arbitrary code or

cause a denial of service. (CVE-2024-10525)

Xiangpu Song discovered that Eclipse Mosquitto broker did not properly

manage memory under certain circumstances. A malicious client with a

remote connection could possibly use this issue to cause the broker to

crash resulting in a denial of service, or another unspecified impact.

This issue only affected Ubuntu 22.04 LTS and Ubuntu 24.04 LTS.

(CVE-2024-3935)

Topics%20covered

Topics Covered

security advisory DoS Ubuntu attack memory issue Eclipse Mosquitto

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
   libmosquitto1                   2.0.18-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   libmosquittopp1                 2.0.18-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   mosquitto                       2.0.18-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   mosquitto-clients               2.0.18-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro

Ubuntu 22.04 LTS
   libmosquitto1                   2.0.11-1ubuntu1.2
   libmosquittopp1                 2.0.11-1ubuntu1.2
   mosquitto                       2.0.11-1ubuntu1.2
   mosquitto-clients               2.0.11-1ubuntu1.2

Ubuntu 20.04 LTS
   libmosquitto1                   1.6.9-1ubuntu0.1~esm2
                                   Available with Ubuntu Pro
   libmosquittopp1                 1.6.9-1ubuntu0.1~esm2
                                   Available with Ubuntu Pro
   mosquitto                       1.6.9-1ubuntu0.1~esm2
                                   Available with Ubuntu Pro
   mosquitto-clients               1.6.9-1ubuntu0.1~esm2
                                   Available with Ubuntu Pro

Ubuntu 18.04 LTS
   libmosquitto1                   1.4.15-2ubuntu0.18.04.3+esm2
                                   Available with Ubuntu Pro
   libmosquittopp1                 1.4.15-2ubuntu0.18.04.3+esm2
                                   Available with Ubuntu Pro
   mosquitto                       1.4.15-2ubuntu0.18.04.3+esm2
                                   Available with Ubuntu Pro
   mosquitto-clients               1.4.15-2ubuntu0.18.04.3+esm2
                                   Available with Ubuntu Pro

Ubuntu 16.04 LTS
   libmosquitto1                   1.4.8-1ubuntu0.16.04.7+esm2
                                   Available with Ubuntu Pro
   libmosquittopp1                 1.4.8-1ubuntu0.16.04.7+esm2
                                   Available with Ubuntu Pro
   mosquitto                       1.4.8-1ubuntu0.16.04.7+esm2
                                   Available with Ubuntu Pro
   mosquitto-clients               1.4.8-1ubuntu0.16.04.7+esm2
                                   Available with Ubuntu Pro

Ubuntu 14.04 LTS
   libmosquitto0                   0.15-2+deb7u3ubuntu0.1+esm1
                                   Available with Ubuntu Pro
   libmosquittopp0                 0.15-2+deb7u3ubuntu0.1+esm1
                                   Available with Ubuntu Pro
   mosquitto                       0.15-2+deb7u3ubuntu0.1+esm1
                                   Available with Ubuntu Pro
   mosquitto-clients               0.15-2+deb7u3ubuntu0.1+esm1
                                   Available with Ubuntu Pro
   python-mosquitto                0.15-2+deb7u3ubuntu0.1+esm1
                                   Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7441-1

CVE-2024-10525, CVE-2024-3935

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7441-1

Topics%20covered

Topics Covered

security advisory DoS Ubuntu attack memory issue Eclipse Mosquitto

Package Information

https://launchpad.net/ubuntu/+source/mosquitto/2.0.11-1ubuntu1.2

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