high7.5
CVE-2023-46695
Django potential denial of service vulnerability in UsernameField on Windows
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| pip | Django | >= 3.2a1, < 3.2.23 | 3.2.23 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Djangoproject | Django | from 3.2 before 3.2.23 from 4.1 before 4.1.13 from 4.2. before 4.2.7 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- 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://github.com/advisories/GHSA-qmf9-6jqf-j8fq
- https://nvd.nist.gov/vuln/detail/CVE-2023-46695
- https://groups.google.com/forum/#!forum/django-announce
- https://github.com/django/django/commit/048a9ebb6ea468426cb4e57c71572cbbd975517f
- https://github.com/django/django/commit/4965bfdde2e5a5c883685019e57d123a3368a75e
- https://github.com/django/django/commit/f9a7fb8466a7ba4857eaf930099b5258f3eafb2b
- https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2023-222.yaml
- https://docs.djangoproject.com/en/4.2/releases/security
- https://security.netapp.com/advisory/ntap-20231214-0001
- https://www.djangoproject.com/weblog/2023/nov/01/security-releases