Potential denial-of-service vulnerability in XML serializer text extraction

{
  "id": "a84bd889f36a92582459bf5a2dacc962bd3f50705329809df7088a7128d827d7",
  "url": "https://osv.dev/vulnerability/CVE-2025-64460",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Potential denial-of-service vulnerability in XML serializer text extraction",
    "summary": "An issue was discovered in 5.2 before 5.2.9, 5.1 before 5.1.15, and 4.2 before 4.2.27. Algorithmic complexity in `django.core.serializers.xml_serializer.getInnerText()` allows a remote attacker to cause a potential denial-of-service attack triggering CPU and memory exhaustion via specially crafted XML input processed by the XML `Deserializer`. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected. Django would like to thank Seokchan Yoon for reporting this issue.",
    "evidence": "osv:CVE-2025-64460",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2025-64460",
      "aliases": [
        "BIT-django-2025-64460",
        "CVE-2025-64460",
        "GHSA-vrcr-9hj9-jcg6",
        "PYSEC-2025-109"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/django/django",
              "type": "GIT",
              "events": [
                {
                  "introduced": "97aa3b7f08f51669e118f3af5ca91026e39664c3"
                },
                {
                  "fixed": "5948e6657f8cb6aeaab1a5a45640d089230f461a"
                },
                {
                  "introduced": "84d09a547fe35e10018ab242602ca76c29ca91a1"
                },
                {
                  "fixed": "6ef1f6fbe33e9882f82dae026b527800ecb78c36"
                },
                {
                  "introduced": "9e7cc2b628fe8fd3895986af9b7fc9525034c1b0"
                },
                {
                  "fixed": "c14b756185c88f7f2eb745ff061f3c221fea9de7"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.2"
                      },
                      {
                        "fixed": "4.2.27"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.1"
                      },
                      {
                        "fixed": "5.1.15"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.2"
                      },
                      {
                        "fixed": "5.2.9"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.2.8",
            "5.2.7",
            "5.2.6",
            "5.2.5",
            "5.2.4",
            "5.2.3",
            "5.2.2",
            "5.2.1",
            "5.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-64460.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:38.041379554Z",
      "provider": "osv",
      "references": [
        "https://github.com/django/django/",
        "https://docs.djangoproject.com/en/dev/releases/security/",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/64xxx/CVE-2025-64460.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-64460",
        "https://www.djangoproject.com/weblog/2025/dec/02/security-releases/",
        "https://pypi.org/project/Django/",
        "https://groups.google.com/g/django-announce"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-407"
        ],
        "cna_assigner": "DSF",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/64xxx/CVE-2025-64460.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-64460",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 505435,
  "published_at": "2025-12-02T15:15:34.451+00:00"
}