USN-4428-1: Python vulnerabilities

22 July 2020

Several security issues were fixed in Python.

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Releases

Packages

  • python2.7 - An interactive high-level object-oriented language
  • python3.4 - 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
  • python3.8 - Interactive high-level object-oriented language (version 3.8)

Details

It was discovered that Python documentation had a misleading information.
A security issue could be possibly caused by wrong assumptions of this information.
This issue only affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM, Ubuntu 16.04 LTS and
Ubuntu 18.04 LTS. (CVE-2019-17514)

It was discovered that Python incorrectly handled certain TAR archives.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2019-20907)

It was discovered that incorrectly handled certain ZIP files. An attacker
could possibly use this issue to cause a denial of service. This issue only
affected Ubuntu 12.04 ESM, Ubuntu 14.04 ESM, Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.
(CVE-2019-9674)

It was discovered that Python incorrectly handled certain IP values.
An attacker could possibly use this issue to cause a denial of service.
This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and
Ubuntu 20.04 LTS. (CVE-2020-14422)

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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
Ubuntu 18.04
Ubuntu 16.04
Ubuntu 14.04
Ubuntu 12.04

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

References

Related notices

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