USN-4050-1: ZeroMQ vulnerability

Publication date

8 July 2019

Overview

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


Packages

  • 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.

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
19.04 disco libzmq5 –  4.3.1-3ubuntu2.1
18.10 cosmic libzmq5 –  4.2.5-2ubuntu0.2
18.04 bionic libzmq5 –  4.2.5-1ubuntu0.2
16.04 xenial libzmq5 –  4.1.4-7ubuntu0.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.


Have additional questions?

Talk to a member of the team ›