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Code Issues 32 Releases Wiki Activity

[5.0.x] Fixed CVE-2024-56374 -- Mitigated potential DoS in IPv6 validation.

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Thanks Saravana Kumar for the report, and Sarah Boyce and Mariusz
Felisiak for the reviews.

Co-authored-by: Natalia <124304+nessita@users.noreply.github.com>
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Natalia
2025-01-06 15:51:45 -03:00
parent 5e63880cb8
commit e8d4a20059
8 changed files with 119 additions and 14 deletions
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docs/releases/4.2.18.txt
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@@ -5,3 +5,15 @@ Django 4.2.18 release notes
*January 14, 2025*
Django 4.2.18 fixes a security issue with severity "moderate" in 4.2.17.
CVE-2024-56374: Potential denial-of-service vulnerability in IPv6 validation
============================================================================
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`` were
vulnerable, as was the :class:`django.forms.GenericIPAddressField` form field,
which has now been updated to define a ``max_length`` of 39 characters.
The :class:`django.db.models.GenericIPAddressField` model field was not
affected.