{"cve":"CVE-2023-41164","nvd":{"published":"2023-11-03T05:15:29.447","modified":"2026-06-17T06:20:50.730","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-1284"],"references":["https://docs.djangoproject.com/en/4.2/releases/security/","https://groups.google.com/forum/#%21forum/django-announce","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HJFRPUHDYJHBH3KYHSPGULQM4JN7BMSU/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/","https://security.netapp.com/advisory/ntap-20231214-0002/"],"products":["djangoproject:django","fedoraproject:fedora"],"source":"nvd","synced_at":"2026-10-19T21:40:11.519948003+00:00"},"epss":{"cve":"CVE-2023-41164","score":0.01519,"percentile":0.74578,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-7h4p-27mh-hmrw","url":"https://osv.dev/vulnerability/GHSA-7h4p-27mh-hmrw","summary":"Django Denial of service vulnerability in django.utils.encoding.uri_to_iri","modified":"2025-11-04T21:28:04.529768Z","packages":[{"ecosystem":"PyPI","name":"django","purl":"pkg:pypi/django","ranges":[">=3.2 <3.2.21"],"fixed":["3.2.21"]},{"ecosystem":"PyPI","name":"django","purl":"pkg:pypi/django","ranges":[">=4.1 <4.1.11"],"fixed":["4.1.11"]},{"ecosystem":"PyPI","name":"django","purl":"pkg:pypi/django","ranges":[">=4.2 <4.2.5"],"fixed":["4.2.5"]}]},{"id":"PYSEC-2023-225","url":"https://osv.dev/vulnerability/PYSEC-2023-225","summary":"","modified":"2026-06-10T17:01:02.864153219Z","packages":[{"ecosystem":"PyPI","name":"django","purl":"pkg:pypi/django","ranges":[">=3.2 <3.2.21",">=4.1 <4.1.11",">=4.2 <4.2.5"],"fixed":["3.2.21","4.1.11","4.2.5"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}