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Ubuntu Security Notice USN-6685-1

Ubuntu Security Notice USN-6685-1
Posted Mar 8, 2024
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6685-1 - It was discovered that mqtt-client incorrectly handled memory while parsing malformed MQTT frames. An attacker could possibly use this issue to cause a crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2019-0222
SHA-256 | cc49c88c4675421bfd9834e4e4e0c55406cf579405c22b78ee6f529f264652ce

Ubuntu Security Notice USN-6685-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-6685-1
March 07, 2024

mqtt-client vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS (Available with Ubuntu Pro)
- Ubuntu 16.04 LTS (Available with Ubuntu Pro)

Summary:

mqtt-client could be made to crash if it received specially crafted
input.

Software Description:
- mqtt-client: Java MQTT Client API

Details:

It was discovered that mqtt-client incorrectly handled memory while parsing
malformed MQTT frames. An attacker could possibly use this issue to cause a
crash, resulting in a denial of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 20.04 LTS:
libmqtt-client-java 1.14-1+deb10u1build0.20.04.1

Ubuntu 18.04 LTS (Available with Ubuntu Pro):
libmqtt-client-java 1.14-1ubuntu0.18.04.1~esm1

Ubuntu 16.04 LTS (Available with Ubuntu Pro):
libmqtt-client-java 1.10-1ubuntu0.1~esm1

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

References:
https://ubuntu.com/security/notices/USN-6685-1
CVE-2019-0222

Package Information:
https://launchpad.net/ubuntu/+source/mqtt-client/1.14-1+deb10u1build0.20.04.1
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