Ubuntu Security Update USN-4050-1: ZeroMQ vulnerability

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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

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References


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