{"id":"BIT-django-2023-46695","details":"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.","aliases":["CVE-2023-46695","GHSA-qmf9-6jqf-j8fq","PYSEC-2023-222"],"modified":"2026-09-08T08:46:36.269607840Z","published":"2024-03-06T10:51:16.068Z","database_specific":{"severity":"High","cpes":["cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*"]},"references":[{"type":"FIX","url":"https://docs.djangoproject.com/en/4.2/releases/security/"},{"type":"WEB","url":"https://groups.google.com/forum/#%21forum/django-announce"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20231214-0001/"},{"type":"ADVISORY","url":"https://www.djangoproject.com/weblog/2023/nov/01/security-releases/"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-46695"}],"affected":[{"package":{"name":"django","ecosystem":"Bitnami","purl":"pkg:bitnami/django"},"ranges":[{"type":"SEMVER","events":[{"introduced":"3.2.0"},{"fixed":"3.2.23"},{"introduced":"4.1.0"},{"fixed":"4.1.13"},{"introduced":"4.2.0"},{"fixed":"4.2.7"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/django/BIT-django-2023-46695.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}],"schema_version":"1.9.0"}