1. Ubuntu Security Notices
  2. USN-5614-2

USN-5614-2: Wayland vulnerability

Publication date

3 October 2022

Overview

Wayland could be made to crash or run programs.

Releases

Packages

  • wayland - Wayland compositor infrastructure

Details

USN-5614-1 fixed a vulnerability in Wayland. This update
provides the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that Wayland incorrectly handled reference counting
certain objects. An attacker could use this issue to cause Wayland to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

USN-5614-1 fixed a vulnerability in Wayland. This update
provides the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that Wayland incorrectly handled reference counting
certain objects. An attacker could use this issue to cause Wayland to
crash, resulting in a denial of service, or possibly execute arbitrary
code.

Update instructions

After a standard system update you need to reboot your computer to 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
16.04 xenial libwayland-bin –  1.12.0-1~ubuntu16.04.3+esm1  
libwayland-cursor0 –  1.12.0-1~ubuntu16.04.3+esm1  
libwayland-server0 –  1.12.0-1~ubuntu16.04.3+esm1  
libwayland-client0 –  1.12.0-1~ubuntu16.04.3+esm1  

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References

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