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An issue was discovered in Django 4.2 before 4.2.21, 5.1 before 5.1.9, and 5.2 before 5.2.1. The django.utils.html.strip_tags() function is vulnerable to a potential denial-of-service (slow performance) when processing inputs containing large sequences of incomplete HTML tags. The template filter striptags is also vulnerable, because it is built on top of strip_tags().
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade py3-django | Aug 8, 2025 | May 8, 2025 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | May 8, 2025 |
| Debian | — | Upgrade python-django | May 15, 2025 | May 8, 2025 |
| Gentoo Linux | — | Upgrade dev-python/django. | Sep 18, 2025 | Sep 17, 2025 |
| Suse | — | Upgrade python3-djangoUpgrade python311-Django | Dec 5, 2025 | May 25, 2025 |
| Ubuntu | — | Upgrade python3-django (Ubuntu Pro)Upgrade python-django (Ubuntu Pro)Upgrade python3-django | May 8, 2025 | May 7, 2025 |
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