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[3.10] bpo-43882 - Mention urllib.parse changes in Whats new section. #26275

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Merged
orsenthil merged 3 commits into from
May 21, 2021
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[3.10] bpo-43882 - Mention urllib.parse changes in Whats new section. #26275

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[3.10] bpo-43882 - Mention urllib.parse changes in Whats new section.
orsenthil May 21, 2021
6227fcf
escape the \n chars, ReSTify :rfc:, urllib.parse is a :mod:
gpshead May 21, 2021
bd97122
minor formatting.
orsenthil May 21, 2021
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escape the \n chars, ReSTify :rfc:, urllib.parse is a :mod:
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@gpshead
gpshead authored May 21, 2021
commit 6227fcfb406c6d8a5d2a5d8f4179345b2e5d6a61
10 changes: 5 additions & 5 deletions Doc/whatsnew/3.10.rst
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Expand Up @@ -1338,11 +1338,11 @@ documentation.
(Contributed by Adam Goldschmidt, Senthil Kumaran and Ken Jin in :issue:`42967`.)

The presence of newline or tab characters in parts of a URL allows for some
forms of attacks. Following the WHATWG specification that updates RFC 3986,
ASCII newline \n, \r and tab \t characters are stripped from the URL by the
parser :func:`urllib.parse` preventing such attacks. The removal characters are
controlled by a new module level variable
urllib.parse._UNSAFE_URL_BYTES_TO_REMOVE. (See :issue:`43882`)
forms of attacks. Following the WHATWG specification that updates :rfc:`3986`,
ASCII newline ``\n``, ``\r`` and tab ``\t`` characters are stripped from the URL
by the parser in :mod:`urllib.parse` preventing such attacks. The removal
characters are controlled by a new module level variable
``urllib.parse._UNSAFE_URL_BYTES_TO_REMOVE``. (See :issue:`43882`)

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