ANN: eGenix pyOpenSSL Distribution 0.13.16

eGenix Team: M.-A. Lemburg info at
Fri Nov 11 05:30:30 EST 2016


          pyOpenSSL Distribution

                            Version 0.13.16

            An easy-to-install and easy-to-use distribution
            of the pyOpenSSL Python interface for OpenSSL -
           available for Windows, Mac OS X and Unix platforms

This announcement is also available on our web-site for online reading:


The pyOpenSSL Distribution includes everything you need to
get started with SSL in Python.

It comes with an easy-to-use installer that includes the most recent
OpenSSL library versions in pre-compiled form, making your application
independent of OS provided OpenSSL libraries:

pyOpenSSL is an open-source Python add-on that allows writing SSL/TLS-
aware network applications as well as certificate management tools:

OpenSSL is an open-source implementation of the SSL/TLS protocol:


This new release of the pyOpenSSL Distribution includes the
following updates:

New in OpenSSL

 * Switched the included OpenSSL libraries to 1.0.2j.

    The OpenSSL 1.0.2 branch will receive long term support (LTS), so
    is an ideal basis for development. See for a complete
    list of security fixes in 1.0.2j. The following fixes are relevant
    for pyOpenSSL applications:

    - CVE-2016-6304 A malicious client can send an excessively large
      OCSP Status Request extension leading to a DoS attack.

    - CVE-2016-6306 Some missing message length checks can result in
      OOB reads, which could be used for DoS attacks.

 * Updated the Mozilla CA root bundle to the current version as of

Please see the product changelog for the full set of changes.

pyOpenSSL / OpenSSL Binaries Included

In addition to providing sources, we make binaries available that
include both pyOpenSSL and the necessary OpenSSL libraries for all
supported platforms: Windows, Linux, Mac OS X and FreeBSD, for x86 and

To simplify installation, we have uploaded a web installer to PyPI
which will automatically choose the right binary for your platform, so
a simple

    pip install egenix-pyopenssl

will get you the package with OpenSSL libraries installed. Please see
our installation instructions for details:

We have also added .egg-file distribution versions of our
pyOpenSSL Distribution for Windows, Linux and Mac OS X to the
available download options. These make setups using e.g. zc.buildout
and other egg-file based installers a lot easier.


The download archives and instructions for installing the package can
be found at:


Before installing this version of pyOpenSSL, please make sure that
you uninstall any previously installed pyOpenSSL version. Otherwise,
you could end up not using the included OpenSSL libs.


Commercial support for these packages is available from
Please see

for details about our support offerings.


For more information about the eGenix pyOpenSSL Distribution, licensing
and download instructions, please visit our web-site or write to
sales at

About eGenix (

    eGenix is a Python software project, consulting and product
    company delivering expert services and professional quality
    products for companies, Python users and developers. We specialize
    in database driven applications, large scale software designs and

Marc-Andre Lemburg

Professional Python Services directly from the Experts (#1, Nov 11 2016)
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