Ubuntu 25.04 LTS: USN-7501-1 critical: Django denial of service

ubuntu

May 7, 2025

Django could be made to crash if it received specially crafted network traffic.

Summary

Django could be made to crash if it received specially crafted network

traffic.

Software Description:

- python-django: High-level Python web development framework

Details:

Elias Myllymäki discovered that Django incorrectly handled stripping large

sequences of incomplete HTML tags. A remote attacker could possibly use

this issue to cause Django to consume resources, leading to a denial of

service.

Topics Covered

security advisory denial of service network traffic ubuntu resource consumption python-django

Update Instructions

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

Ubuntu 25.04
   python3-django                  3:4.2.18-1ubuntu1.1

Ubuntu 24.10
   python3-django                  3:4.2.15-1ubuntu1.4

Ubuntu 24.04 LTS
   python3-django                  3:4.2.11-1ubuntu1.7

Ubuntu 22.04 LTS
   python3-django                  2:3.2.12-2ubuntu1.18

Ubuntu 20.04 LTS
   python3-django                  2:2.2.12-1ubuntu0.29

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