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2025-11-26[5.1.x] Fixed #36743 -- Increased URL max length enforced in ↵varunkasyap
HttpResponseRedirectBase. Refs CVE-2025-64458. The previous limit of 2048 characters reused the URLValidator constant and proved too restrictive for legitimate redirects to some third-party services. This change introduces a separate `MAX_URL_REDIRECT_LENGTH` constant (defaulting to 16384) and uses it in HttpResponseRedirectBase. Thanks Jacob Walls for report and review. Backport of a8cf8c292cfee98fe6cc873ca5221935f1d02271 from main.
2025-11-05[5.1.x] Fixed CVE-2025-64458 -- Mitigated potential DoS in ↵Jacob Walls
HttpResponseRedirect/HttpResponsePermanentRedirect on Windows. Thanks Seokchan Yoon for the report, Markus Holtermann for the triage, and Jake Howard for the review. Follow-up to CVE-2025-27556 and 39e2297210d9d2938c75fc911d45f0e863dc4821. Backport of c880530ddd4fabd5939bab0e148bebe36699432a from main.
2024-01-26Applied Black's 2024 stable style.Mariusz Felisiak
https://github.com/psf/black/releases/tag/24.1.0
2023-11-24Fixed #34968 -- Made multipart parsing of headers raise an error on too long ↵Standa Opichal
headers. This also allow customizing the maximum size of headers via MAX_TOTAL_HEADER_SIZE.
2023-08-25Fixed #34709 -- Raised BadRequest for non-UTF-8 requests with the ↵Mariusz Felisiak
application/x-www-form-urlencoded content type. Thanks Eki Xu for the report.
2023-08-02Simplified django.http.request.split_domain_port().Nick Pope
Use the capture groups from the regular expression that has already been matched to avoid resplitting and the need to special case for IPv6.
2023-04-12Refs #34482 -- Reverted "Fixed #32969 -- Fixed pickling HttpResponse and ↵Mariusz Felisiak
subclasses." This reverts commit d7f5bfd241666c0a76e90208da1e9ef81aec44db. Thanks Márton Salomváry for the report.
2023-04-12Fixed #34484, Refs #34482 -- Reverted "Fixed #29186 -- Fixed pickling ↵Mariusz Felisiak
HttpRequest and subclasses." This reverts commit 6220c445c40a6a7f4d442de8bde2628346153963. Thanks Adam Johnson and Márton Salomváry for reports.
2023-03-14Fixed #34405 -- Fixed setting Content-Type header in FileResponse for ↵Mariusz Felisiak
compress and brotli. Thanks Chamal De Silva for the report.
2023-02-14Fixed CVE-2023-24580 -- Prevented DoS with too many uploaded files.Markus Holtermann
Thanks to Jakob Ackermann for the report.
2023-01-18Refs #34233 -- Used str.removeprefix()/removesuffix().Mariusz Felisiak
2023-01-18Refs #34233 -- Used aiter() and anext().Nick Pope
Available since Python 3.10.
2022-12-22Fixed #33735 -- Added async support to StreamingHttpResponse.Carlton Gibson
Thanks to Florian Vazelle for initial exploratory work, and to Nick Pope and Mariusz Felisiak for review.
2022-12-05Fixed #34194 -- Added django.utils.http.content_disposition_header().Alex Vandiver
2022-11-14Fixed #34074 -- Added headers argument to RequestFactory and Client classes.David Wobrock
2022-11-10Updated documentation and comments for RFC updates.Nick Pope
- Updated references to RFC 1123 to RFC 5322 - Only partial as RFC 5322 sort of sub-references RFC 1123. - Updated references to RFC 2388 to RFC 7578 - Except RFC 2388 Section 5.3 which has no equivalent. - Updated references to RFC 2396 to RFC 3986 - Updated references to RFC 2616 to RFC 9110 - Updated references to RFC 3066 to RFC 5646 - Updated references to RFC 7230 to RFC 9112 - Updated references to RFC 7231 to RFC 9110 - Updated references to RFC 7232 to RFC 9110 - Updated references to RFC 7234 to RFC 9111 - Tidied up style of text when referring to RFC documents
2022-10-31Used more augmented assignment statements.Nick Pope
Identified using the following command: $ git grep -I '\(\<[_a-zA-Z0-9]\+\>\) *= *\1 *[-+/*^%&|<>@]'
2022-09-14Fixed #29186 -- Fixed pickling HttpRequest and subclasses.Anvesh Mishra
2022-08-03Fixed CVE-2022-36359 -- Escaped filename in Content-Disposition header.Carlton Gibson
Thanks to Motoyasu Saburi for the report.
2022-06-28Refs #33697 -- Used django.utils.http.parse_header_parameters() for parsing ↵Mehrdad
boundary streams. This also removes unused parse_header() and _parse_header_params() helpers in django.http.multipartparser.
2022-06-28Removed unnecessary _parse_header() from MultiPartParser.Mariusz Felisiak
Reraising ValueError was unused since its introduction in d725cc9734272f867d41f7236235c28b3931a1b2.
2022-06-28Refs #33697 -- Made MediaType use django.utils.http.parse_header_parameters().Mehrdad
2022-06-20Fixed #32969 -- Fixed pickling HttpResponse and subclasses.Anv3sh
2022-06-09Fixed #33755 -- Moved ASGI body-file cleanup into request class.Jonas Lundberg
2022-06-03Refs #33697 -- Made MultiPartParser use ↵Mehrdad
django.utils.http.parse_header_parameters() for parsing Content-Type header.
2022-06-01Refs #33697 -- Fixed multipart parsing of headers with double quotes and ↵Mehrdad
semicolons. See https://github.com/python/cpython/commit/1ef0c0349e8fdb5415e21231cb42edbf232b742a
2022-05-17Fixed #33683 -- Document HttpResponseBase and allow import from django.httpCollin Anderson
2022-05-11Refs #33173 -- Removed use of deprecated cgi module.Carlton Gibson
https://peps.python.org/pep-0594/#cgi
2022-03-24Refs #32365 -- Removed internal uses of utils.timezone.utc alias.Carlton Gibson
Remaining test case ensures that uses of the alias are mapped canonically by the migration writer.
2022-03-23Fixed #33569 -- Added SECURE_PROXY_SSL_HEADER support for list of protocols ↵Thomas Schmidt
in the header value.
2022-03-07Refs #33562 -- Made HttpResponse.set_cookie() raise ValueError when both ↵Luke Plant
"expires" and "max_age" are passed. This fixes the case where you might pass set_cookie(expires=val, max_age=val) and max_age is silently ignored.
2022-03-07Fixed #33562 -- Made HttpResponse.set_cookie() support timedelta for the ↵Luke Plant
max_age argument.
2022-03-02Refs #33546 -- Optimized handling content types in HttpResponseBase.__init__().Keryn Knight
This removes an extraneous conditional causing "Content-Type" to be checked within the ResponseHeaders twice, if a content_type parameter is provided.
2022-03-02Refs #33546 -- Optimized HttpResponseBase.charset a bit.Keryn Knight
This avoids scanning the Content-Type if it's empty, allowing the Content-Type header itself to have a charset assigned without using the re module.
2022-03-02Refs #33546 -- Optimized ResponseHeaders._convert_to_charset() by reducing ↵Keryn Knight
the type-checking duplication. In the common case, where keys and values are be encoded into ascii/latin-1, defer the checking for newlines until it's been successfully coerced to a string. Co-authored-by: Nick Pope <nick@nickpope.me.uk>
2022-03-02Refs #33546 -- Avoided unpacking data in ResponseHeaders when not necessary.Keryn Knight
2022-02-07Refs #33476 -- Refactored code to strictly match 88 characters line length.Mariusz Felisiak
2022-02-07Refs #33476 -- Reformatted code with Black.django-bot
2022-02-01Fixed CVE-2022-23833 -- Fixed DoS possiblity in file uploads.Mariusz Felisiak
Thanks Alan Ryan for the report and initial patch.
2022-01-20Fixed #33062 -- Made MultiPartParser remove non-printable chars from file names.Hrushikesh Vaidya
2022-01-07Fixed #28628 -- Changed \d to [0-9] in regexes where appropriate.Ad Timmering
2021-12-02Updated various links to HTTPS and new locations.Mariusz Felisiak
Co-Authored-By: Nick Pope <nick@nickpope.me.uk>
2021-10-15Refs #30509 -- Adjusted internal FileResponse variable name.Carlton Gibson
Follow up to dc724c5bf9d3b8d59c9571aa751c3cd001cdeced.
2021-10-14Fixed #30509 -- Made FileResponse better handle buffers and non-zero file ↵Piotr Kunicki
offsets.
2021-09-22Optimized handling case-insensitive mappings.Illia Volochii
Elements yielded by _destruct_iterable_mapping_values are always unpacked. Since unpacking can be done with any iterable, there is no need to convert elements to tuples. Also, such elements can be used directly in for loops, creating a dictionary of them is excessive. Co-authored-by: Nick Pope <nick@nickpope.me.uk>
2021-08-02Simplified serializing HTTP response headers.Illia Volochii
Since ResponseHeaders was introduced, header names and values are stored as strings. There is no need to check whether they are bytes. Co-authored-by: Nick Pope <nick@nickpope.me.uk>
2021-06-22Refs #24121 -- Added __repr__() to StreamingHttpResponse and subclasses.Nicolas Restrepo
2021-05-12Fixed #32366 -- Updated datetime module usage to recommended approach.Nick Pope
- Replaced datetime.utcnow() with datetime.now(). - Replaced datetime.utcfromtimestamp() with datetime.fromtimestamp(). - Replaced datetime.utctimetuple() with datetime.timetuple(). - Replaced calendar.timegm() and datetime.utctimetuple() with datetime.timestamp().
2021-05-04Fixed CVE-2021-31542 -- Tightened path & file name sanitation in file uploads.Florian Apolloner
2021-04-30Fixed #32698 -- Moved HttpRequest.get_raw_uri() to ↵Hasan Ramezani
ExceptionReporter._get_raw_insecure_uri().
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