USN-4378-1: Flask vulnerability

01 June 2020

flask vulnerability


  • flask - Micro web framework based on Werkzeug and Jinja2


It was discovered that Flask incorrectly handled certain inputs.
An attacker could possibly use this issue to cause a denial of service.

Update instructions

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

Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04

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