REDHAT-BUG-2337996
First published: Tue Jan 14 2025(Updated: )
An issue was discovered in Django 5.1 before 5.1.5, 5.0 before 5.0.11, and 4.2 before 4.2.18. Lack of upper-bound limit enforcement in strings passed when performing IPv6 validation could lead to a potential denial-of-service attack. The undocumented and private functions clean_ipv6_address and is_valid_ipv6_address are vulnerable, as is the django.forms.GenericIPAddressField form field. (The django.db.models.GenericIPAddressField model field is not affected.)
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Django | <5.1.5 | |
| Django | <5.0.11 | |
| Django | <4.2.18 |
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Reference Links
Frequently Asked Questions
What is the severity of REDHAT-BUG-2337996?
The severity of REDHAT-BUG-2337996 is classified as a potential denial-of-service vulnerability.
Which versions of Django are affected by REDHAT-BUG-2337996?
Django versions before 5.1.5, 5.0 before 5.0.11, and 4.2 before 4.2.18 are affected by REDHAT-BUG-2337996.
How do I fix REDHAT-BUG-2337996?
To fix REDHAT-BUG-2337996, upgrade Django to version 5.1.5 or later, 5.0.11 or later, or 4.2.18 or later.
What type of attack can REDHAT-BUG-2337996 allow?
REDHAT-BUG-2337996 could allow a potential denial-of-service attack due to a lack of upper-bound limit enforcement in IPv6 validation.
Which functions are involved in the REDHAT-BUG-2337996 vulnerability?
The undocumented and private functions clean_ipv6_address and is_valid_ipv6_address are involved in the REDHAT-BUG-2337996 vulnerability.
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