CVE-2023-46695

An issue was discovered in Django 3.2 before 3.2.23, 4.1 before 4.1.13, and 4.2 before 4.2.7. The NFKC normalization is slow on Windows. As a consequence, django.contrib.auth.forms.UsernameField is subject to a potential DoS (denial of service) attack via certain inputs with a very large number of Unicode characters.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 85%
VendorProductVersion
djangoprojectdjango
3.2 ≤
𝑥
< 3.2.23
djangoprojectdjango
4.1 ≤
𝑥
< 4.1.13
djangoprojectdjango
4.2. ≤
𝑥
< 4.2.7
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
python-django
bullseye
2:2.2.28-1~deb11u2
fixed
bullseye (security)
2:2.2.28-1~deb11u3
fixed
bookworm
3:3.2.19-1+deb12u1
fixed
bookworm (security)
3:3.2.19-1+deb12u1
fixed
trixie
3:4.2.16-1
fixed
sid
3:4.2.17-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
python-django
mantic
not-affected
lunar
not-affected
jammy
not-affected
focal
not-affected
bionic
not-affected
xenial
not-affected
trusty
not-affected
Common Weakness Enumeration
References
https://docs.djangoproject.com/en/4.2/releases/security/
https://groups.google.com/forum/#%21forum/django-announce
https://security.netapp.com/advisory/ntap-20231214-0001/
https://www.djangoproject.com/weblog/2023/nov/01/security-releases/
https://docs.djangoproject.com/en/4.2/releases/security/
https://groups.google.com/forum/#%21forum/django-announce
https://security.netapp.com/advisory/ntap-20231214-0001/
https://www.djangoproject.com/weblog/2023/nov/01/security-releases/