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===========================
Django 2.1.10 release notes
===========================
*July 1, 2019*
Django 2.1.10 fixes a security issue in 2.1.9.
CVE-2019-12781: Incorrect HTTP detection with reverse-proxy connecting via HTTPS
--------------------------------------------------------------------------------
When deployed behind a reverse-proxy connecting to Django via HTTPS,
:attr:`django.http.HttpRequest.scheme` would incorrectly detect client
requests made via HTTP as using HTTPS. This entails incorrect results for
:meth:`~django.http.HttpRequest.is_secure`, and
:meth:`~django.http.HttpRequest.build_absolute_uri`, and that HTTP
requests would not be redirected to HTTPS in accordance with
:setting:`SECURE_SSL_REDIRECT`.
``HttpRequest.scheme`` now respects :setting:`SECURE_PROXY_SSL_HEADER`, if it
is configured, and the appropriate header is set on the request, for both HTTP
and HTTPS requests.
If you deploy Django behind a reverse-proxy that forwards HTTP requests, and
that connects to Django via HTTPS, be sure to verify that your application
correctly handles code paths relying on ``scheme``, ``is_secure()``,
``build_absolute_uri()``, and ``SECURE_SSL_REDIRECT``.
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