django/docs/releases/1.4.9.txt

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==========================
Django 1.4.9 release notes
==========================
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*October 23, 2013*
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Django 1.4.9 fixes a security-related bug in the 1.4 series and one other
data corruption bug.
Readdressed denial-of-service via password hashers
--------------------------------------------------
Django 1.4.8 imposes a 4096-byte limit on passwords in order to mitigate a
denial-of-service attack through submission of bogus but extremely large
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passwords. In Django 1.4.9, we've reverted this change and instead improved
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the speed of our PBKDF2 algorithm by not rehashing the key on every iteration.
Bugfixes
========
* Fixed a data corruption bug with ``datetime_safe.datetime.combine`` (#21256).