[USN-8232-1] Django vulnerabilities

========================================================================== Ubuntu Security Notice USN-8232-1 May 05, 2026 python-django vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 26.04 LTS - Ubuntu 25.10 - Ubuntu 24.04 LTS - Ubuntu 22.04 LTS Summary: Several security issues were fixed in Django. Software Description: - python-django: High-level Python web development framework Details: It was discovered that Django did not vary cached response headers on cookies when sessions were not modified while SESSION_SAVE_EVERY_REQUEST was enabled. A remote attacker could possibly use this issue to steal a user's session. (CVE-2026-35192) Kyle Agronick and Jacob Walls discovered that Django incorrectly handled ASGI requests with missing or understated Content-Length header values. A remote attacker could possibly use this issue to cause Django to use excessive resources, leading to a denial of service. (CVE-2026-5766) Ahmad Sadeddin discovered that Django UpdateCacheMiddleware incorrectly cached requests where the Vary header contained an asterisk. A remote attacker could possibly use this issue to obtain sensitive information. (CVE-2026-6907) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 26.04 LTS python3-django 3:5.2.9-0ubuntu4.1 Ubuntu 25.10 python3-django 3:5.2.4-1ubuntu2.5 Ubuntu 24.04 LTS python3-django 3:4.2.11-1ubuntu1.16 Ubuntu 22.04 LTS python3-django 2:3.2.12-2ubuntu1.27 In general, a standard system update will make all the necessary changes. References: https://ubuntu.com/security/notices/USN-8232-1 CVE-2026-35192, CVE-2026-5766, CVE-2026-6907 Package Information: https://launchpad.net/ubuntu/+source/python-django/3:5.2.9-0ubuntu4.1 https://launchpad.net/ubuntu/+source/python-django/3:5.2.4-1ubuntu2.5 https://launchpad.net/ubuntu/+source/python-django/3:4.2.11-1ubuntu1.16 https://launchpad.net/ubuntu/+source/python-django/2:3.2.12-2ubuntu1.27