Liblouis could be made to crash or run programs as your login if it opened a specially crafted file.
Raphael Sanchez Prudencio discovered that Liblouis incorrectly handled certain files. If a user were tricked into opening a crafted file, an attacker could possibly use this to cause a denial of service or potentially execute arbitrary code.
6 November 2017
A security issue affects these releases of Ubuntu and its derivatives:
Liblouis could be made to crash or run programs as your login if it opened a specially crafted file.
Raphael Sanchez Prudencio discovered that Liblouis incorrectly handled certain files. If a user were tricked into opening a crafted file, an attacker could possibly use this to cause a denial of service or potentially execute arbitrary code.
The problem can be corrected by updating your system to the following package versions:
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.