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2026-03-03[4.2.x] Bumped version for 4.2.29 release.4.2.29Natalia
2026-03-03[4.2.x] Fixed CVE-2026-25674 -- Prevented potentially incorrect permissions ↵Natalia
on file system object creation. This fix introduces `safe_makedirs()` in the `os` utils as a safer alternative to `os.makedirs()` that avoids umask-related race conditions in multi-threaded environments. This is a workaround for https://github.com/python/cpython/issues/86533 and the solution is based on the fix being proposed for CPython. Co-authored-by: Gregory P. Smith <68491+gpshead@users.noreply.github.com> Co-authored-by: Zackery Spytz <zspytz@gmail.com> Refs CVE-2020-24583 and #31921. Thanks Tarek Nakkouch for the report, and Jake Howard, Jacob Walls, and Shai Berger for reviews. Backport of 019e44f67a8dace67b786e2818938c8691132988 from main.
2026-03-03[4.2.x] Fixed CVE-2026-25673 -- Simplified URLField scheme detection.Natalia
This simplicaftion mitigates a potential DoS in URLField on Windows. The usage of `urlsplit()` in `URLField.to_python()` was replaced with `str.partition(":")` for URL scheme detection. On Windows, `urlsplit()` performs Unicode normalization which is slow for certain characters, making `URLField` vulnerable to DoS via specially crafted POST payloads. Thanks Seokchan Yoon for the report, and Jake Howard and Shai Berger for the review. Refs #36923. Co-authored-by: Jacob Walls <jacobtylerwalls@gmail.com> Backport of 951ffb3832cd83ba672c1e3deae2bda128eb9cca from main.
2026-02-03[4.2.x] Post-release version bump.Jacob Walls
2026-02-03[4.2.x] Bumped version for 4.2.28 release.4.2.28Jacob Walls
2026-02-03[4.2.x] Refs CVE-2026-1312 -- Raised ValueError when FilteredRelation ↵Jacob Walls
aliases contain periods. This prevents failures at the database layer, given that aliases in the ON clause are not quoted. Systematically quoting aliases even in FilteredRelation is tracked in https://code.djangoproject.com/ticket/36795. Backport of 005d60d97c4dfb117503bdb6f2facfcaf9315d84 from main.
2026-02-03[4.2.x] Fixed CVE-2026-1312 -- Protected order_by() from SQL injection via ↵Jacob Walls
aliases with periods. Before, `order_by()` treated a period in a field name as a sign that it was requested via `.extra(order_by=...)` and thus should be passed through as raw table and column names, even if `extra()` was not used. Since periods are permitted in aliases, this meant user-controlled aliases could force the `order_by()` clause to resolve to a raw table and column pair instead of the actual target field for the alias. In practice, only `FilteredRelation` was affected, as the other expressions we tested, e.g. `F`, aggressively optimize away the ordering expressions into ordinal positions, e.g. ORDER BY 2, instead of ORDER BY "table".column. Thanks Solomon Kebede for the report, and Simon Charette and Jake Howard for reviews. Backport of 69065ca869b0970dff8fdd8fafb390bf8b3bf222 from main.
2026-02-03[4.2.x] Fixed CVE-2026-1287 -- Protected against SQL injection in column ↵Jake Howard
aliases via control characters. Control characters in FilteredRelation column aliases could be used for SQL injection attacks. This affected QuerySet.annotate(), aggregate(), extra(), values(), values_list(), and alias() when using dictionary expansion with **kwargs. Thanks Solomon Kebede for the report, and Simon Charette, Jacob Walls, and Natalia Bidart for reviews. Backport of e891a84c7ef9962bfcc3b4685690219542f86a22 from main.
2026-02-03[4.2.x] Fixed CVE-2026-1285 -- Mitigated potential DoS in ↵Natalia
django.utils.text.Truncator for HTML input. The `TruncateHTMLParser` used `deque.remove()` to remove tags from the stack when processing end tags. With crafted input containing many unmatched end tags, this caused repeated full scans of the tag stack, leading to quadratic time complexity. The fix uses LIFO semantics, only removing a tag from the stack when it matches the most recently opened tag. This avoids linear scans for unmatched end tags and reduces complexity to linear time. Refs #30686 and 6ee37ada3241ed263d8d1c2901b030d964cbd161. Thanks Seokchan Yoon for the report. Backport of a33540b3e20b5d759aa8b2e4b9ca0e8edd285344 from main.
2026-02-03[4.2.x] Fixed CVE-2026-1207 -- Prevented SQL injections in RasterField ↵Jacob Walls
lookups via band index. Thanks Tarek Nakkouch for the report, and Simon Charette for the initial triage and review. Backport of 81aa5292967cd09319c45fe2c1a525ce7b6684d8 from main.
2026-02-03[4.2.x] Fixed CVE-2025-14550 -- Optimized repeated header parsing in ASGI ↵Jake Howard
requests. Thanks Jiyong Yang for the report, and Natalia Bidart, Jacob Walls, and Shai Berger for reviews. Backport of eb22e1d6d643360e952609ef562c139a100ea4eb from main.
2026-02-03[4.2.x] Fixed CVE-2025-13473 -- Standardized timing of check_password() in ↵Jake Howard
mod_wsgi auth handler. Refs CVE-2024-39329, #20760. Thanks Stackered for the report, and Jacob Walls and Markus Holtermann for the reviews. Co-authored-by: Natalia <124304+nessita@users.noreply.github.com> Backport of 3eb814e02a4c336866d4189fa0c24fd1875863ed from main.
2025-12-02[4.2.x] Post-release version bump.Natalia
2025-12-02[4.2.x] Bumped version for 4.2.27 release.4.2.27Natalia
2025-12-02[4.2.x] Fixed CVE-2025-64460 -- Corrected quadratic inner text accumulation ↵Shai Berger
in XML serializer. Previously, `getInnerText()` recursively used `list.extend()` on strings, which added each character from child nodes as a separate list element. On deeply nested XML content, this caused the overall deserialization work to grow quadratically with input size, potentially allowing disproportionate CPU consumption for crafted XML. The fix separates collection of inner texts from joining them, so that each subtree is joined only once, reducing the complexity to linear in the size of the input. These changes also include a mitigation for a xml.dom.minidom performance issue. Thanks Seokchan Yoon (https://ch4n3.kr/) for report. Co-authored-by: Jacob Walls <jacobtylerwalls@gmail.com> Co-authored-by: Natalia <124304+nessita@users.noreply.github.com> Backport of 50efb718b31333051bc2dcb06911b8fa1358c98c from main.
2025-12-02[4.2.x] Fixed CVE-2025-13372 -- Protected FilteredRelation against SQL ↵Jacob Walls
injection in column aliases on PostgreSQL. Follow-up to CVE-2025-57833. Thanks Stackered for the report, and Simon Charette and Mariusz Felisiak for the reviews. Backport of 5b90ca1e7591fa36fccf2d6dad67cf1477e6293e from main.
2025-11-26[4.2.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[4.2.x] Post-release version bump.Natalia
2025-11-05[4.2.x] Bumped version for 4.2.26 release.4.2.26Natalia
2025-11-05[4.2.x] Refs CVE-2025-64459 -- Avoided propagating invalid arguments to Q on ↵Jacob Walls
dictionary expansion. Backport of 3c3f46357718166069948625354b8315a8505262 from main.
2025-11-05[4.2.x] Fixed CVE-2025-64459 -- Prevented SQL injections in Q/QuerySet via ↵Jacob Walls
the _connector kwarg. Thanks cyberstan for the report, Sarah Boyce, Adam Johnson, Simon Charette, and Jake Howard for the reviews. Backport of c880530ddd4fabd5939bab0e148bebe36699432a from main.
2025-11-05[4.2.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. Backport of c880530ddd4fabd5939bab0e148bebe36699432a from main.
2025-10-01[4.2.x] Post-release version bump.Jacob Walls
2025-10-01[4.2.x] Bumped version for 4.2.25 release.4.2.25Jacob Walls
2025-10-01[4.2.x] Fixed CVE-2025-59682 -- Fixed potential partial directory-traversal ↵Sarah Boyce
via archive.extract(). Thanks stackered for the report. Follow up to 05413afa8c18cdb978fcdf470e09f7a12b234a23. Backport of 924a0c092e65fa2d0953fd1855d2dc8786d94de2 from main.
2025-10-01[4.2.x] Fixed CVE-2025-59681 -- Protected QuerySet.annotate(), alias(), ↵Mariusz Felisiak
aggregate(), and extra() against SQL injection in column aliases on MySQL/MariaDB. Thanks sw0rd1ight for the report. Follow up to 93cae5cb2f9a4ef1514cf1a41f714fef08005200. Backport of 41b43c74bda19753c757036673ea9db74acf494a from main.
2025-09-03[4.2.x] Post-release version bump.Sarah Boyce
2025-09-03[4.2.x] Bumped version for 4.2.24 release.4.2.24Sarah Boyce
2025-09-03[4.2.x] Fixed CVE-2025-57833 -- Protected FilteredRelation against SQL ↵Jake Howard
injection in column aliases. Thanks Eyal Gabay (EyalSec) for the report. Backport of 51711717098d3f469f795dfa6bc3758b24f69ef7 from main.
2025-06-10[4.2.x] Post-release version bump.Sarah Boyce
2025-06-10[4.2.x] Bumped version for 4.2.23 release.4.2.23Sarah Boyce
2025-06-06[4.2.x] Refs CVE-2025-48432 -- Prevented log injection in remaining response ↵Jake Howard
logging. Migrated remaining response-related logging to use the `log_response()` helper to avoid potential log injection, to ensure untrusted values like request paths are safely escaped. Co-authored-by: Natalia <124304+nessita@users.noreply.github.com> Backport of 957951755259b412d5113333b32bf85871d29814 from main.
2025-06-06[4.2.x] Refs CVE-2025-48432 -- Made SuspiciousOperation logging use ↵Natalia
log_response() for consistency. Backport of ff835f439cb1ecd8d74a24de12e3c03e5477dc9d from main.
2025-06-04[4.2.x] Post-release version bump.Natalia
2025-06-04[4.2.x] Bumped version for 4.2.22 release.4.2.22Natalia
2025-06-04[4.2.x] Fixed CVE-2025-48432 -- Escaped formatting arguments in ↵Natalia
`log_response()`. Suitably crafted requests containing a CRLF sequence in the request path may have allowed log injection, potentially corrupting log files, obscuring other attacks, misleading log post-processing tools, or forging log entries. To mitigate this, all positional formatting arguments passed to the logger are now escaped using "unicode_escape" encoding. Thanks to Seokchan Yoon (https://ch4n3.kr/) for the report. Co-authored-by: Carlton Gibson <carlton@noumenal.es> Co-authored-by: Jake Howard <git@theorangeone.net> Backport of a07ebec5591e233d8bbb38b7d63f35c5479eef0e from main.
2025-05-06[4.2.x] Post-release version bump.Natalia
2025-05-06[4.2.x] Bumped version for 4.2.21 release.4.2.21Natalia
2025-05-06[4.2.x] Fixed CVE-2025-32873 -- Mitigated potential DoS in strip_tags().Sarah Boyce
Thanks to Elias Myllymäki for the report, and Shai Berger and Jake Howard for the reviews. Co-authored-by: Natalia <124304+nessita@users.noreply.github.com> Backport of 9f3419b519799d69f2aba70b9d25abe2e70d03e0 from main.
2025-04-23[4.2.x] Fixed #36341 -- Preserved whitespaces in wordwrap template filter.Matti Pohjanvirta
Regression in 55d89e25f4115c5674cdd9b9bcba2bb2bb6d820b. This work improves the django.utils.text.wrap() function to ensure that empty lines and lines with whitespace only are kept instead of being dropped. Thanks Matti Pohjanvirta for the report and fix. Co-authored-by: Natalia <124304+nessita@users.noreply.github.com> Backport of 1e9db35836d42a3c72f3d1015c2f302eb6fee046 from main.
2025-04-23[4.2.x] Fixed warnings per flake8 7.2.0.Mariusz Felisiak
https://github.com/PyCQA/flake8/releases/tag/7.2.0 Backport of 281910ff8e9ae98fa78ee5d26ae3f0b713ccf418 from main.
2025-04-07[4.2.x] Fixed #36298 -- Truncated the overwritten file content in ↵Sarah Boyce
file_move_safe(). Regression in 58cd4902a71a3695dd6c21dc957f59c333db364c. Thanks Baptiste Mispelon for the report. Backport of 8ad3e80e88201f4c557f6fa79fcfc0f8a0961830 from main.
2025-03-06[4.2.x] Post-release version bump.Sarah Boyce
2025-03-06[4.2.x] Bumped version for 4.2.20 release.4.2.20Sarah Boyce
2025-03-06[4.2.x] Fixed CVE-2025-26699 -- Mitigated potential DoS in wordwrap template ↵Sarah Boyce
filter. Thanks sw0rd1ight for the report. Backport of 55d89e25f4115c5674cdd9b9bcba2bb2bb6d820b from main.
2025-02-05[4.2.x] Post-release version bump.Natalia
2025-02-05[4.2.x] Bumped version for 4.2.19 release.4.2.19Natalia
2025-01-16[4.2.x] Refs #36098 -- Fixed validate_ipv4_address() crash for non-string ↵Sarah Boyce
values. Regression in ca2be7724e1244a4cb723de40a070f873c6e94bf.
2025-01-15[4.2.x] Fixed #36098 -- Fixed ↵Mariusz Felisiak
validate_ipv6_address()/validate_ipv46_address() crash for non-string values. Regression in ca2be7724e1244a4cb723de40a070f873c6e94bf. Backport of b3c5830769d8a5dbf2f974da7116fe503c9454d9 from main.
2025-01-14[4.2.x] Post-release version bump.Natalia
generated by cgit v1.3 (git 2.53.0) at 2026-06-30 21:00:11 +0000