Security advisory

{
  "id": "b5eb400d563052c6d2675eb598b7091186957547d1ada3f36f2154644aa4ee30",
  "url": "https://osv.dev/vulnerability/CVE-2023-41164",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2023-41164",
    "summary": "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.",
    "evidence": "osv:CVE-2023-41164",
    "products": [],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-41164",
      "aliases": [
        "BIT-django-2023-41164",
        "CVE-2023-41164",
        "GHSA-7h4p-27mh-hmrw",
        "PYSEC-2023-225"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/django/django",
              "type": "GIT",
              "events": [
                {
                  "introduced": "3591e1c1acbd7c13174275367c3fdf012cb0413b"
                },
                {
                  "fixed": "fd0ccd7fb3ec8aee9a88ab0576059c7393397c8d"
                },
                {
                  "introduced": "9fee86e44dd83dc968ec443adcde191b3eba1286"
                },
                {
                  "fixed": "618a0e797b54c62d9ee78c3c5bdc27f954685836"
                },
                {
                  "introduced": "97aa3b7f08f51669e118f3af5ca91026e39664c3"
                },
                {
                  "fixed": "b8b2f7451201f3ff60891b6ce55f177400700d7a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.2"
                      },
                      {
                        "fixed": "3.2.21"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.1"
                      },
                      {
                        "fixed": "4.1.11"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.2"
                      },
                      {
                        "fixed": "4.2.5"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-41164.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:50.924924733Z",
      "provider": "osv",
      "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@lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/41xxx/CVE-2023-41164.json",
        "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://nvd.nist.gov/vuln/detail/CVE-2023-41164",
        "https://security.netapp.com/advisory/ntap-20231214-0002/",
        "https://www.djangoproject.com/weblog/2023/sep/04/security-releases/"
      ],
      "provider_metadata": {
        "cna_assigner": "mitre",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/41xxx/CVE-2023-41164.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-41164",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 519538,
  "published_at": "2023-11-03T00:00:00+00:00"
}