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USN-4333-2: Python vulnerabilities

30 April 2020

Several security issues were fixed in Python.

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Releases

Packages

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

Details

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.
(CVE-2019-18348)

It was discovered that Python incorrectly handled certain HTTP requests.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2020-8492)

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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.

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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.

References

Related notices

  • USN-4333-1: libpython3.4-stdlib, libpython3.7-testsuite, idle-python3.4, libpython3.5, libpython3.6-minimal, libpython3.6-stdlib, idle-python2.7, python3.5-examples, python2.7-dev, libpython3.5-dev, libpython3.4, libpython3.4-minimal, python3.4-venv, idle-python3.7, python3.6-venv, libpython3.5-minimal, python2.7-examples, python3.5-venv, libpython3.7-minimal, python2.7, libpython3.7-dev, python3.4-examples, python3.7-minimal, python3.6-minimal, python3.5-doc, python3.4, python3.7-doc, python3.4-minimal, python3.5-minimal, python3.5-dev, libpython2.7, idle-python3.6, python3.4-dev, idle-python3.5, python3.6-doc, python2.7-doc, python3.5, python3.7-venv, libpython3.6, libpython3.6-dev, python3.6-dev, python3.6, python2.7-minimal, python3.7-examples, libpython3.6-testsuite, libpython3.7, python3.6-examples, libpython3.4-testsuite, python3.4-doc, python3.7-dev, libpython3.4-dev, libpython2.7-dev, libpython2.7-minimal, libpython2.7-testsuite, python3.7, libpython3.7-stdlib, libpython3.5-stdlib, libpython3.5-testsuite, libpython2.7-stdlib
  • USN-6891-1: libpython3.5, python3.8-doc, libpython3.11-stdlib, python3.10-examples, python3.11-nopie, libpython3.8, python3.12-doc, libpython3.8-minimal, python3.10-full, python3.12-full, python3.12-nopie, libpython3.7-dev, python3.7-minimal, python3.11-dev, libpython3.11-minimal, libpython3.12-stdlib, python3.6-doc, python3.5, libpython3.6-dev, python3.11-minimal, python3.6-examples, python3.11-full, python3.10-dev, libpython3.9-dev, libpython3.9-minimal, libpython3.5-stdlib, python3.12-examples, python3.7-dev, python3.12-venv, python3.9-dev, libpython3.9, python3.5-examples, libpython3.5-dev, python3.9-venv, idle-python3.9, python3.12-minimal, libpython3.12-testsuite, python3.5-venv, libpython3.11-dev, python3.10-venv, libpython3.10-dev, python3.12-dev, libpython3.11, python3.12, python3.8-examples, libpython3.8-stdlib, python3.6-dev, python3.7-examples, libpython3.6-testsuite, libpython3.10-testsuite, python3.9-doc, python3.11, idle-python3.11, python3.7-venv, libpython3.7-testsuite, idle-python3.8, libpython3.6-minimal, idle-python3.7, libpython3.7-minimal, python3.8-venv, python3.9-examples, libpython3.10-minimal, idle-python3.10, python3.6-minimal, python3.5-doc, libpython3.10, python3.7-doc, libpython3.8-dev, python3.5-dev, idle-python3.6, python3.11-examples, idle-python3.5, libpython3.12-dev, python3.8-full, libpython3.6, libpython3.9-stdlib, python3.6, idle-python3.12, libpython3.7, python3.10-doc, python3.8-minimal, python3.10-nopie, libpython3.6-stdlib, libpython3.10-stdlib, python3.6-venv, libpython3.5-minimal, libpython3.9-testsuite, libpython3.8-testsuite, libpython3.12, libpython3.11-testsuite, libpython3.12-minimal, python3.8-dev, python3.5-minimal, python3.9-minimal, python3.10, python3.10-minimal, python3.9-full, python3.8, python3.11-doc, python3.7, libpython3.7-stdlib, python3.11-venv, libpython3.5-testsuite, python3.9
  • USN-4754-3: libpython3.7-testsuite, idle-python3.8, idle-python2.7, python2.7-dev, libpython3.8, idle-python3.7, libpython3.8-minimal, python2.7-examples, libpython3.8-testsuite, libpython3.7-minimal, python3.8-venv, python2.7, libpython3.7-dev, python3.7-minimal, python3.8-dev, python3.7-doc, libpython3.8-dev, libpython2.7, python2.7-doc, python3.8-examples, libpython3.8-stdlib, python2.7-minimal, python3.7-examples, libpython3.7, python3.8, libpython2.7-dev, libpython2.7-minimal, libpython2.7-testsuite, python3.7, libpython3.7-stdlib, python3.8-minimal, python3.7-dev, python3.7-venv, libpython2.7-stdlib
  • USN-5200-1: libpython3.7-testsuite, idle-python3.8, libpython3.8, idle-python3.7, libpython3.8-minimal, libpython3.8-testsuite, libpython3.7-minimal, python3.8-venv, libpython3.7-dev, python3.7-minimal, python3.8-dev, python3.7-doc, libpython3.8-dev, python3.8-examples, libpython3.8-stdlib, python3.7-examples, libpython3.7, python3.8, python3.7, libpython3.7-stdlib, python3.8-minimal, python3.7-dev, python3.7-venv

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