A vulnerability has been discovered in Python, that is relevant for cookie handling. By using a malicious server an attacker might steal cookies that are meant for other domains
For Debian 7 Wheezy, these problems have been fixed in version 2.7.3-6+deb7u7.
We recommend that you upgrade your python2.7 packages.
Further information about Extended LTS security advisories can be found at: https://deb.freexian.com/extended-lts/