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Subject: CVS commit: pkgsrc/www/py-django3
From: Adam Ciarcinski
Date: 2023-10-04 22:13:51
Message id: 20231004201351.99925FBDB@cvs.NetBSD.org
Log Message:
py-django3: updated to 3.2.22
Django 3.2.22 fixes a security issue with severity “moderate” in 3.2.21.
CVE-2023-43665: Denial-of-service possibility in django.utils.text.Truncator
Following the fix for CVE-2019-14232, the regular expressions used in the \
implementation of django.utils.text.Truncator’s chars() and words() methods \
(with html=True) were revised and improved. However, these regular expressions \
still exhibited linear backtracking complexity, so when given a very long, \
potentially malformed HTML input, the evaluation would still be slow, leading to \
a potential denial of service vulnerability.
The chars() and words() methods are used to implement the truncatechars_html and \
truncatewords_html template filters, which were thus also vulnerable.
The input processed by Truncator, when operating in HTML mode, has been limited \
to the first five million characters in order to avoid potential performance and \
memory issues.
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