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USN-5437-1: libXfixes vulnerability

23 May 2022

libXfixes could be made to crash or run programs if it received specially crafted input.



  • libxfixes - X11 miscellaneous fixes extension library


Tobias Stoeckmann discovered that libXfixes incorrectly handled certain
inputs. An attacker could possibly use this issue to cause a denial
of service, or possibly execute arbitrary code.

Update instructions

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

Ubuntu 16.04

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