USN-4151-2: Python vulnerabilities

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Ubuntu security notices

python2.7, python3.4 vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 14.04 ESM
  • Ubuntu 12.04 ESM

Several security issues were fixed in Python.

Software Description

  • python2.7 - An interactive high-level object-oriented language
  • python3.4 - An interactive high-level object-oriented language

USN-4151-1 fixed several vulnerabilities in Python. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory 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 14.04 ESM
python2.7 - 2.7.6-8ubuntu0.6+esm3
python2.7-minimal - 2.7.6-8ubuntu0.6+esm3
python3.4 - 3.4.3-1ubuntu1~14.04.7+esm4
python3.4-minimal - 3.4.3-1ubuntu1~14.04.7+esm4
Ubuntu 12.04 ESM
python2.7 - 2.7.3-0ubuntu3.15
python2.7-minimal - 2.7.3-0ubuntu3.15

To update your system, please follow these instructions:

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


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