August 18, 2015
Django 1.8.4 fixes a security issue and several bugs in 1.8.3.
logout()view by filling session store¶
Previously, a session could be created when anonymously accessing the
django.contrib.auth.views.logout() view (provided it wasn’t decorated
login_required() as done in the
admin). This could allow an attacker to easily create many new session records
by sending repeated requests, potentially filling up the session store or
causing other users’ session records to be evicted.
SessionMiddleware has been
modified to no longer create empty session records, including when
SESSION_SAVE_EVERY_REQUEST is active.
Added the ability to serialize values from the newly added
Added a system check warning if the old
TEMPLATE_* settings are defined
in addition to the new
InvalidQuery is not raised when using the
db_column name of a
ForeignKey field with
Prevented an exception in
TestCase.setUpTestData() from leaking the
has_changed() method in
Fixed the recording of squashed migrations when running the
Moved the unsaved model instance assignment data loss check to
Model.save() to allow easier usage
of in-memory models (#25160).
text_patterns_ops indexes for