USN-4378-1: Flask vulnerability
flask vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 ESM
Summary
Flask could be made to consume a large amount of memory if it
received a specially crafted input.
Software Description
- flask – Micro web framework based on Werkzeug and Jinja2
Details
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 LTS
- python-flask – 0.12.2-3ubuntu0.1
- python3-flask – 0.12.2-3ubuntu0.1
- Ubuntu 16.04 LTS
- python-flask – 0.10.1-2ubuntu0.1
- python3-flask – 0.10.1-2ubuntu0.1
- Ubuntu 14.04 ESM
- python-flask – 0.10.1-2ubuntu0.1~esm1
- python3-flask – 0.10.1-2ubuntu0.1~esm1
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.
References
Source: USN-4378-1: Flask vulnerability
