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Ubuntu Security Notice USN-4050-1
July 08, 2019

zeromq3 vulnerability
==========================================================================

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

– Ubuntu 19.04
– Ubuntu 18.10
– Ubuntu 18.04 LTS
– Ubuntu 16.04 LTS

Summary:

ZeroMQ could be made to crash or run programs if it received specially crafted
network traffic.

Software Description:
– zeromq3: lightweight messaging kernel

Details:

It was discovered that ZeroMQ incorrectly handled certain application metadata.
A remote attacker could use this issue to cause ZeroMQ to crash, or possibly
execute arbitrary code.

Update instructions:

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

Ubuntu 19.04:
libzmq5 4.3.1-3ubuntu2.1

Ubuntu 18.10:
libzmq5 4.2.5-2ubuntu0.2

Ubuntu 18.04 LTS:
libzmq5 4.2.5-1ubuntu0.2

Ubuntu 16.04 LTS:
libzmq5 4.1.4-7ubuntu0.1

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

References:
https://usn.ubuntu.com/4050-1
CVE-2019-13132

Package Information:
https://launchpad.net/ubuntu/+source/zeromq3/4.3.1-3ubuntu2.1
https://launchpad.net/ubuntu/+source/zeromq3/4.2.5-2ubuntu0.2
https://launchpad.net/ubuntu/+source/zeromq3/4.2.5-1ubuntu0.2
https://launchpad.net/ubuntu/+source/zeromq3/4.1.4-7ubuntu0.1
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