{"id":"CVE-2023-41164","aliases":["BIT-django-2023-41164","GHSA-7h4p-27mh-hmrw","PYSEC-2023-225"],"url":"https://o3.security/vulnerability/CVE-2023-41164","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.","published":"2023-11-03T00:00:00Z","modified":"2026-07-15T10:14:44.689769661Z","cvss":{"score":5.3,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"django","fixedVersion":"3.2.21"},{"ecosystem":"PyPI","name":"django","fixedVersion":"4.1.11"},{"ecosystem":"PyPI","name":"django","fixedVersion":"4.2.5"}],"fix":null,"references":[{"type":"WEB","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://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/41xxx/CVE-2023-41164.json"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HJFRPUHDYJHBH3KYHSPGULQM4JN7BMSU/"},{"type":"ADVISORY","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-41164"},{"type":"ADVISORY","url":"https://security.netapp.com/advisory/ntap-20231214-0002/"},{"type":"ARTICLE","url":"https://www.djangoproject.com/weblog/2023/sep/04/security-releases/"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T10:14:44.689769661Z"}}