CVE-2024-41991 Django vulnerable to denial-of-service attack
Attackers can cause denial of service in Django applications by sending inputs with excessive Unicode characters to specific template filters and widgets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-41991?
CVE-2024-41991 is a high-severity denial of service vulnerability in Djangoproject Django, published on 7 Aug 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in Django 5.0 before 5.0.8 and 4.2 before 4.2.15. The urlize and urlizetrunc template filters, and the AdminURLFieldWidget widget, are subject to a potential denial-of-service attack via certain inputs with a very large number of Unicode characters.
Which versions are affected by CVE-2024-41991?
6 open source packages ship an affected version, including django and Django. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
django Bitnami | From 4.2.0 | 4.2.15, 5.0.8 |
django PyPI | From 4.2 | 4.2.15 |
django PyPI | From 5.0 | 5.0.8, 4.2.15 |
django PyPI | From 5.0 | 5.0.8 |
Django PyPI | From 4.2 | 4.2.15 |
Django PyPI | From 5.0 | 5.0.8 |
Products include Djangoproject Django.
How do I fix CVE-2024-41991?
Upgrade django to a fixed version for your release line: 4.2.15 or 5.0.8.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2024-41991 being exploited?
There is no known exploitation of CVE-2024-41991 in the wild and no public exploit code.
Other vulnerabilities in Djangoproject Django
- CVE-2026-4277 Privilege abuse in GenericInlineModelAdmin
- CVE-2024-53908 Django SQL injection in HasKey(lhs, rhs) on Oracle
- CVE-2024-42005 Django SQL injection vulnerability
- CVE-2023-31047 Django bypasses validation when using one form field to upload multiple files
- CVE-2022-34265 Django `Trunc()` and `Extract()` database functions vulnerable to SQL Injection
Sources
Also known as BIT-django-2024-41991, DEBIAN-CVE-2024-41991, GHSA-r836-hh6v-rg5g, PYSEC-2024-69, UBUNTU-CVE-2024-41991.