USN-1982-1: Python 2.6 vulnerability

1 October 2013

python2.6 vulnerability

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

  • Ubuntu 10.04 LTS


Fraudulent security certificates could allow sensitive information to be exposed when accessing the Internet.

Software Description

  • python2.6 - An interactive high-level object-oriented language


Ryan Sleevi discovered that Python did not properly handle certificates with NULL characters in the Subject Alternative Name field. An attacker could exploit this to perform a man in the middle attack to view sensitive information or alter encrypted communications.

Update instructions

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

Ubuntu 10.04 LTS
python2.6 - 2.6.5-1ubuntu6.2
python2.6-minimal - 2.6.5-1ubuntu6.2

To update your system, please follow these instructions:

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