An issue was discovered in Django 5.1 before 5.1.1, 5.0 before 5.0.9, and 4.2 before 4.2.16. The urlize() and urlizetrunc() template filters are subject to a potential denial-of-service attack via very large inputs with a specific sequence of characters.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade py3-django | Oct 10, 2024 | Oct 8, 2024 |
| Debian | — | Upgrade python-django | May 15, 2025 | Oct 8, 2024 |
| Gentoo Linux | — | Upgrade dev-python/django. | Sep 18, 2025 | Sep 17, 2025 |
| Suse | — | Upgrade python311-DjangoUpgrade python3-django | Dec 5, 2025 | Sep 4, 2024 |
| Ubuntu | — | Upgrade python3-djangoUpgrade python3-django (Ubuntu Pro)Upgrade python-django (Ubuntu Pro) | Sep 5, 2024 | Sep 3, 2024 |
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