New submission from Barry A. Warsaw <ba...@python.org>:

This is already publicly known and in deep discussion on python-dev.  The 
proper fix is still TBD.  Essentially, hash collisions can be exploited to DoS 
a web framework that automatically parses input forms into dictionaries.

Start here:

http://mail.python.org/pipermail/python-dev/2011-December/115116.html

----------
components: Interpreter Core
messages: 150522
nosy: barry, benjamin.peterson, georg.brandl
priority: release blocker
severity: normal
status: open
title: Hash collision security issue
type: security
versions: Python 2.6, Python 2.7, Python 3.1, Python 3.2, Python 3.3

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Python tracker <rep...@bugs.python.org>
<http://bugs.python.org/issue13703>
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