USN-2720-1: Django vulnerability

18 August 2015

python-django vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 15.04
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS


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

Software Description

  • python-django - High-level Python web development framework (Python 2 version)


Lin Hua Cheng discovered that Django incorrectly handled the session store. A remote attacker could use this issue to cause the session store to fill up, resulting in a denial of service.

Update instructions

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

Ubuntu 15.04
python-django - 1.7.6-1ubuntu2.2
python3-django - 1.7.6-1ubuntu2.2
Ubuntu 14.04 LTS
python-django - 1.6.1-2ubuntu0.10
Ubuntu 12.04 LTS
python-django - 1.3.1-4ubuntu1.18

To update your system, please follow these instructions:

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