1. Ubuntu Security Notices
  2. USN-4151-1

USN-4151-1: Python vulnerabilities

Publication date

9 October 2019

Overview

Several security issues were fixed in Python.

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)

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

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

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
19.04 disco python2.7 –  2.7.16-2ubuntu0.2
python2.7-minimal –  2.7.16-2ubuntu0.2
python3.7 –  3.7.3-2ubuntu0.2
python3.7-minimal –  3.7.3-2ubuntu0.2
18.04 bionic python2.7 –  2.7.15-4ubuntu4~18.04.2
python2.7-minimal –  2.7.15-4ubuntu4~18.04.2
python3.6 –  3.6.8-1~18.04.3
python3.6-minimal –  3.6.8-1~18.04.3
16.04 xenial python2.7 –  2.7.12-1ubuntu0~16.04.9
python2.7-minimal –  2.7.12-1ubuntu0~16.04.9
python3.5 –  3.5.2-2ubuntu0~16.04.9
python3.5-minimal –  3.5.2-2ubuntu0~16.04.9

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References

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