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.)
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2024-56374US | high7.5 | — | ||
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 validatio… | ||||
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references
External citations — patches, advisories, analysis.
- http://www.openwall.com/lists/oss-security/2025/01/14/2ADVISORY
- https://docs.djangoproject.com/en/dev/releases/security/ADVISORY
- https://groups.google.com/g/django-announceADVISORY
- https://lists.debian.org/debian-lts-announce/2025/01/msg00024.htmlADVISORY
- https://nvd.nist.gov/vuln/detail/CVE-2024-56374WEB
- https://www.djangoproject.com/weblog/2025/jan/14/security-releases/ADVISORY
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