Applications using FriBidi could be made to crash or run programs as your login if it displayed specially crafted text.
Alex Murray discovered a stack-based buffer overflow when handling a large number of unicode isolate directives. An attacker could use this to cause a denial of service or possibly execute arbitrary code.
7 November 2019
A security issue affects these releases of Ubuntu and its derivatives:
Applications using FriBidi could be made to crash or run programs as your login if it displayed specially crafted text.
Alex Murray discovered a stack-based buffer overflow when handling a large number of unicode isolate directives. An attacker could use this to cause a denial of service or possibly 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.
Vulmon