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Algorithmic complexity vulnerability in the forms library in Django 1.0 before 1.0.4 and 1.1 before 1.1.1 allows remote attackers to cause a denial of service (CPU consumption) via a crafted (1) EmailField (email address) or (2) URLField (URL) that triggers a large amount of backtracking in a regular expression.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade python-django | Jul 30, 2024 | Oct 13, 2009 |
| Freebsd | — | Upgrade py23-djangoUpgrade py24-django-develUpgrade py26-django-develUpgrade py26-djangoUpgrade py31-djangoUpgrade py25-djangoUpgrade py31-django-develUpgrade py25-django-develUpgrade py24-djangoUpgrade py30-djangoUpgrade py30-django-develUpgrade py23-django-devel | Dec 10, 2025 | Oct 16, 2009 |
| Ubuntu | — | Upgrade python-django | Nov 19, 2024 | Oct 13, 2009 |
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