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USN-4151-1: Python vulnerabilities

9 October 2019

Several security issues were fixed in Python.

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

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-doc, python3.4-minimal, idle-python2.7, python3.4, python3.4-dev, libpython2.7-minimal, libpython2.7-dev, libpython2.7-testsuite, libpython2.7, idle-python3.4, python2.7-doc, python2.7-minimal, libpython3.4-minimal, libpython2.7-stdlib, python2.7-examples, python2.7, python3.4-venv, python3.4-examples, python2.7-dev, libpython3.4-testsuite, libpython3.4-dev, libpython3.4, libpython3.4-stdlib
  • USN-6891-1: libpython3.11-stdlib, libpython3.9-minimal, python3.10-full, python3.11, libpython3.12-testsuite, libpython3.11-minimal, python3.8-doc, python3.9-doc, python3.10-venv, libpython3.7-minimal, libpython3.10, libpython3.8-minimal, python3.8-full, libpython3.11-dev, python3.10-dev, libpython3.8, python3.11-dev, python3.8, python3.9-examples, libpython3.10-stdlib, python3.10-minimal, python3.11-nopie, libpython3.11-testsuite, python3.11-full, python3.9-dev, python3.12-minimal, libpython3.5-minimal, libpython3.12-dev, libpython3.6, libpython3.9-testsuite, python3.8-minimal, python3.7-dev, libpython3.10-dev, libpython3.7-dev, python3.8-examples, idle-python3.5, idle-python3.11, idle-python3.8, idle-python3.7, libpython3.12-stdlib, libpython3.8-dev, libpython3.8-testsuite, python3.10-doc, python3.6, python3.6-doc, python3.10, python3.8-venv, idle-python3.12, python3.7-venv, libpython3.9-dev, idle-python3.10, libpython3.8-stdlib, python3.12-nopie, python3.11-examples, python3.12, libpython3.10-minimal, python3.5-minimal, python3.11-doc, libpython3.7, python3.12-full, libpython3.5-testsuite, python3.11-venv, libpython3.12, python3.6-minimal, libpython3.10-testsuite, libpython3.9-stdlib, libpython3.6-testsuite, idle-python3.9, python3.9-full, libpython3.11, python3.9-minimal, python3.12-examples, python3.7-doc, python3.12-dev, libpython3.12-minimal, libpython3.7-testsuite, python3.8-dev, libpython3.7-stdlib, libpython3.6-dev, python3.5-dev, python3.6-examples, python3.9-venv, python3.10-examples, python3.6-dev, python3.7-examples, libpython3.6-minimal, libpython3.5, python3.5-venv, python3.5, python3.12-doc, python3.12-venv, libpython3.5-dev, python3.5-examples, libpython3.6-stdlib, python3.7, python3.10-nopie, python3.11-minimal, python3.9, libpython3.5-stdlib, python3.7-minimal, libpython3.9, python3.5-doc, python3.6-venv, idle-python3.6