USN-6111-1: Flask vulnerability

Publication date

29 May 2023

Overview

Flask could be made to expose sensitive information in certain scenarios.


Packages

  • flask - Micro web framework based on Werkzeug and Jinja2

Details

It was discovered that Flask incorrectly handled certain data responses.
An attacker could possibly use this issue to expose sensitive information.

It was discovered that Flask incorrectly handled certain data responses.
An attacker could possibly use this issue to expose sensitive information.

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
23.04 lunar python3-flask –  2.2.2-2ubuntu1.1
22.10 kinetic python3-flask –  2.0.3-1ubuntu1.1
22.04 jammy python3-flask –  2.0.1-2ubuntu1.1
20.04 focal python3-flask –  1.1.1-2ubuntu0.1

Reduce your security exposure

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