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Ubuntu Security Notice USN-1982-1
October 01, 2013

python2.6 vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 10.04 LTS

Summary:

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

Details:

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

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

References:
  http://www.ubuntu.com/usn/usn-1982-1
  CVE-2013-4238

Package Information:
  https://launchpad.net/ubuntu/+source/python2.6/2.6.5-1ubuntu6.2