USN-4333-2: Python vulnerabilities

30 April 2020

Several security issues were fixed in Python.



  • python3.8 - Interactive high-level object-oriented language (version 3.8)


USN-4333-1 fixed vulnerabilities in Python. This update provides
the corresponding update for Ubuntu 20.04 LTS.

Original advisory details:

It was discovered that Python incorrectly stripped certain characters from
requests. A remote attacker could use this issue to perform CRLF injection.

It was discovered that Python incorrectly handled certain HTTP requests.
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 20.04

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

Related notices

  • USN-4754-3: python2.7, python3.7-minimal, python3.7, python3.8-minimal, python3.8, python2.7-minimal
  • USN-4333-1: python3.5, python2.7, python3.7-minimal, python3.4, python3.5-minimal, python3.7, python3.6-minimal, python2.7-minimal, python3.4-minimal, python3.6