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Fixes the following vulnerability:
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
django.forms.GenericIPAddressField form field, which has now been updated to
define a max_length of 39 characters.
The django.db.models.GenericIPAddressField model field was not affected.
Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Julien Olivain <ju.o@free.fr>
(cherry picked from commit c87726dd33)
[Peter: Mark as security bump, add CVE info]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>