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USN-6354-1: Python vulnerability

7 September 2023

Python could be made to crash or leak sensitive information if it received specially crafted input.

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.

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Releases

Packages

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

Details

It was discovered that Python did not properly handle XML entity
declarations in plist files. An attacker could possibly use this
vulnerability to perform an XML External Entity (XXE) injection,
resulting in a denial of service or information disclosure.

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 18.04
Ubuntu 16.04
Ubuntu 14.04

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

References

Related notices

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