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Django 3.2.20 release notes
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*July 3, 2023*

Django 3.2.20 fixes a security issue with severity "moderate" in 3.2.19.

CVE-2023-36053: Potential regular expression denial of service vulnerability in ``EmailValidator``/``URLValidator``
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``EmailValidator`` and ``URLValidator`` were subject to potential regular
expression denial of service attack via a very large number of domain name
labels of emails and URLs.