{"id":"GHSA-qmf9-6jqf-j8fq","summary":"Django potential denial of service vulnerability in UsernameField on Windows","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":["BIT-django-2023-46695","CVE-2023-46695","PYSEC-2023-222"],"modified":"2024-09-20T16:07:45.381236Z","published":"2023-11-02T06:30:25Z","database_specific":{"cwe_ids":["CWE-400","CWE-770"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2023-11-02T21:26:14Z","nvd_published_at":"2023-11-02T06:15:08Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-46695"},{"type":"WEB","url":"https://github.com/django/django/commit/048a9ebb6ea468426cb4e57c71572cbbd975517f"},{"type":"WEB","url":"https://github.com/django/django/commit/4965bfdde2e5a5c883685019e57d123a3368a75e"},{"type":"WEB","url":"https://github.com/django/django/commit/f9a7fb8466a7ba4857eaf930099b5258f3eafb2b"},{"type":"WEB","url":"https://docs.djangoproject.com/en/4.2/releases/security"},{"type":"PACKAGE","url":"https://github.com/django/django"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2023-222.yaml"},{"type":"WEB","url":"https://groups.google.com/forum/#!forum/django-announce"},{"type":"WEB","url":"https://groups.google.com/forum/#%21forum/django-announce"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20231214-0001"},{"type":"WEB","url":"https://www.djangoproject.com/weblog/2023/nov/01/security-releases"}],"affected":[{"package":{"name":"django","ecosystem":"PyPI","purl":"pkg:pypi/django"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.2a1"},{"fixed":"3.2.23"}]}],"versions":["3.2","3.2.1","3.2.10","3.2.11","3.2.12","3.2.13","3.2.14","3.2.15","3.2.16","3.2.17","3.2.18","3.2.19","3.2.2","3.2.20","3.2.21","3.2.22","3.2.3","3.2.4","3.2.5","3.2.6","3.2.7","3.2.8","3.2.9","3.2a1","3.2b1","3.2rc1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/11/GHSA-qmf9-6jqf-j8fq/GHSA-qmf9-6jqf-j8fq.json"}},{"package":{"name":"django","ecosystem":"PyPI","purl":"pkg:pypi/django"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1a1"},{"fixed":"4.1.13"}]}],"versions":["4.1","4.1.1","4.1.10","4.1.11","4.1.12","4.1.2","4.1.3","4.1.4","4.1.5","4.1.6","4.1.7","4.1.8","4.1.9","4.1a1","4.1b1","4.1rc1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/11/GHSA-qmf9-6jqf-j8fq/GHSA-qmf9-6jqf-j8fq.json"}},{"package":{"name":"django","ecosystem":"PyPI","purl":"pkg:pypi/django"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2a1"},{"fixed":"4.2.7"}]}],"versions":["4.2","4.2.1","4.2.2","4.2.3","4.2.4","4.2.5","4.2.6","4.2a1","4.2b1","4.2rc1"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/11/GHSA-qmf9-6jqf-j8fq/GHSA-qmf9-6jqf-j8fq.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N"}]}