USN-3622-1: Wayland vulnerability

09 April 2018

Wayland could be made to crash or run programs if it opened a specially crafted file.



  • wayland - Wayland compositor infrastructure


It was discovered that the Wayland Xcursor support incorrectly handled
certain files. An attacker could use these issues to cause Wayland to
crash, resulting in a denial of service, or possibly execute arbitrary

Update instructions

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

Ubuntu 17.10
Ubuntu 16.04
Ubuntu 14.04

After a standard system update you need to reboot your computer to make
all the necessary changes.


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