[ubuntu/questing-security] python-django 3:5.2.4-1ubuntu2.5 (Accepted)

[Marc Deslauriers]

python-django (3:5.2.4-1ubuntu2.5) questing-security; urgency=medium

  * SECURITY UPDATE: Potential denial-of-service vulnerability in ASGI
    requests via file upload limit bypass
    - debian/patches/CVE-2026-5766.patch: enforce
      DATA_UPLOAD_MAX_MEMORY_SIZE in MemoryFileUploadHandler on ASGI in
      django/core/files/uploadhandler.py, tests/asgi/tests.py,
      tests/requests_tests/tests.py.
    - CVE-2026-5766
  * SECURITY UPDATE: Session fixation via public cached pages and
    SESSION_SAVE_EVERY_REQUEST
    - debian/patches/CVE-2026-35192.patch: ensure Vary header is sent when
      setting session cookie with SESSION_SAVE_EVERY_REQUEST=True in
      django/contrib/sessions/middleware.py, tests/sessions_tests/tests.py.
    - CVE-2026-35192
  * SECURITY UPDATE: Potential exposure of private data due to incorrect
    handling of Vary: * in UpdateCacheMiddleware
    - debian/patches/CVE-2026-6907.patch: prevent caching of requests when
      Vary header contains an asterisk in django/middleware/cache.py,
      tests/cache/tests.py.
    - CVE-2026-6907

Date: 2026-04-28 18:09:53.099667+00:00
Changed-By: Marc Deslauriers <marc.deslauriers at canonical.com>
https://launchpad.net/ubuntu/+source/python-django/3:5.2.4-1ubuntu2.5
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