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USN-6111-1: Flask vulnerability

29 May 2023

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

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Releases

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.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 23.04
Ubuntu 22.10
Ubuntu 22.04
Ubuntu 20.04

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

References