cpython/Doc/library/security_warnings.rst

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.. _security-warnings:
.. index:: single: security considerations
Security Considerations
=======================
The following modules have specific security considerations:
* :mod:`base64`: :ref:`base64 security considerations <base64-security>` in
:rfc:`4648`
* :mod:`cgi`: :ref:`CGI security considerations <cgi-security>`
* :mod:`hashlib`: :ref:`all constructors take a "usedforsecurity" keyword-only
argument disabling known insecure and blocked algorithms
<hashlib-usedforsecurity>`
* :mod:`http.server` is not suitable for production use, only implementing
basic security checks
* :mod:`logging`: :ref:`Logging configuration uses eval()
<logging-eval-security>`
* :mod:`multiprocessing`: :ref:`Connection.recv() uses pickle
<multiprocessing-recv-pickle-security>`
* :mod:`pickle`: :ref:`Restricting globals in pickle <pickle-restrict>`
* :mod:`random` shouldn't be used for security purposes, use :mod:`secrets`
instead
* :mod:`shelve`: :ref:`shelve is based on pickle and thus unsuitable for
dealing with untrusted sources <shelve-security>`
* :mod:`ssl`: :ref:`SSL/TLS security considerations <ssl-security>`
* :mod:`subprocess`: :ref:`Subprocess security considerations
<subprocess-security>`
* :mod:`tempfile`: :ref:`mktemp is deprecated due to vulnerability to race
conditions <tempfile-mktemp-deprecated>`
* :mod:`xml`: :ref:`XML vulnerabilities <xml-vulnerabilities>`
* :mod:`zipfile`: :ref:`maliciously prepared .zip files can cause disk volume
exhaustion <zipfile-resources-limitations>`