{"schema_version":"1.7.3","id":"GHSA-7h4p-27mh-hmrw","published":"2023-11-03T06:36:29Z","modified":"2025-11-04T21:28:04.529768Z","aliases":["BIT-django-2023-41164","CVE-2023-41164","PYSEC-2023-225"],"summary":"Django Denial of service vulnerability in django.utils.encoding.uri_to_iri","details":"In Django 3.2 before 3.2.21, 4.1 before 4.1.11, and 4.2 before 4.2.5, django.utils.encoding.uri_to_iri() is subject to a potential DoS (denial of service) attack via certain inputs with a very large number of Unicode characters.","affected":[{"package":{"name":"django","ecosystem":"PyPI","purl":"pkg:pypi/django"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.2"},{"fixed":"3.2.21"}]}],"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","3.2.3","3.2.4","3.2.5","3.2.6","3.2.7","3.2.8","3.2.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/11/GHSA-7h4p-27mh-hmrw/GHSA-7h4p-27mh-hmrw.json"}},{"package":{"name":"django","ecosystem":"PyPI","purl":"pkg:pypi/django"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1"},{"fixed":"4.1.11"}]}],"versions":["4.1","4.1.1","4.1.10","4.1.2","4.1.3","4.1.4","4.1.5","4.1.6","4.1.7","4.1.8","4.1.9"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/11/GHSA-7h4p-27mh-hmrw/GHSA-7h4p-27mh-hmrw.json"}},{"package":{"name":"django","ecosystem":"PyPI","purl":"pkg:pypi/django"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.2"},{"fixed":"4.2.5"}]}],"versions":["4.2","4.2.1","4.2.2","4.2.3","4.2.4"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/11/GHSA-7h4p-27mh-hmrw/GHSA-7h4p-27mh-hmrw.json"}}],"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-41164"},{"type":"WEB","url":"https://github.com/django/django/commit/6f030b1149bd8fa4ba90452e77cb3edc095ce54e"},{"type":"WEB","url":"https://github.com/django/django/commit/9c51b4dcfa0cefcb48231f4d71cafa80821f87b9"},{"type":"WEB","url":"https://github.com/django/django/commit/ba00bc5ec6a7eff5e08be438f7b5b0e9574e8ff0"},{"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-2023-225.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://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HJFRPUHDYJHBH3KYHSPGULQM4JN7BMSU"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HJFRPUHDYJHBH3KYHSPGULQM4JN7BMSU"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D"},{"type":"WEB","url":"https://security.netapp.com/advisory/ntap-20231214-0002"},{"type":"WEB","url":"https://www.djangoproject.com/weblog/2023/sep/04/security-releases"}],"database_specific":{"cwe_ids":["CWE-1284","CWE-400"],"github_reviewed":true,"github_reviewed_at":"2023-11-03T19:32:41Z","nvd_published_at":"2023-11-03T05:15:29Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"}]}