A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 19.10
- Ubuntu 19.04
Applications using FriBidi could be made to crash or run programs as your
login if it displayed specially crafted text.
- fribidi: Free Implementation of the Unicode BiDi algorithm (utility)
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