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Fixed CVE-2019-14235 -- Fixed potential memory exhaustion in django.utils.encoding.uri_to_iri().

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Thanks to Guido Vranken for initial report.
This commit is contained in:
Florian Apolloner 2019-07-19 17:04:53 +02:00 • committed by Carlton Gibson
parent 7deeabc7c7
commit 76ed1c49f8
5 changed files with 52 additions and 9 deletions
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docs/releases/2.2.4.txt
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@ -46,6 +46,16 @@ CVE-2019-14234: SQL injection possibility in key and index lookups for ``JSONFie
were subject to SQL injection, using a suitably crafted dictionary, with
dictionary expansion, as the ``**kwargs`` passed to ``QuerySet.filter()``.
CVE-2019-14235: Potential memory exhaustion in ``django.utils.encoding.uri_to_iri()``
=====================================================================================
If passed certain inputs, :func:`django.utils.encoding.uri_to_iri` could lead
to significant memory usage due to excessive recursion when re-percent-encoding
invalid UTF-8 octet sequences.
``uri_to_iri()`` now avoids recursion when re-percent-encoding invalid UTF-8
octet sequences.
Bugfixes
========