USN-4151-1: Python vulnerabilities

09 October 2019

Several security issues were fixed in Python.

Releases

Packages

  • python2.7 - An interactive high-level object-oriented language
  • python3.5 - An interactive high-level object-oriented language
  • python3.6 - An interactive high-level object-oriented language
  • python3.7 - An interactive high-level object-oriented language

Details

It was discovered that Python incorrectly parsed certain email addresses. A
remote attacker could possibly use this issue to trick Python applications
into accepting email addresses that should be denied. (CVE-2019-16056)

It was discovered that the Python documentation XML-RPC server incorrectly
handled certain fields. A remote attacker could use this issue to execute a
cross-site scripting (XSS) attack. (CVE-2019-16935)

Update instructions

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

Ubuntu 19.04
Ubuntu 18.04
Ubuntu 16.04

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

Related notices

  • USN-4151-2: python3.4, python3.4-minimal, python2.7, python2.7-minimal