{"id":"CVE-2025-64460","aliases":["BIT-django-2025-64460","GHSA-vrcr-9hj9-jcg6","PYSEC-2025-109"],"url":"https://o3.security/vulnerability/CVE-2025-64460","summary":"Potential denial-of-service vulnerability in XML serializer text extraction","details":"An issue was discovered in 5.2 before 5.2.9, 5.1 before 5.1.15, and 4.2 before 4.2.27.\nAlgorithmic 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`.\nEarlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected.\nDjango would like to thank Seokchan Yoon for reporting this issue.","published":"2025-12-02T15:15:34.451Z","modified":"2026-08-12T03:51:13.889738062Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.02116,"percentile":0.80415,"asOf":"2026-08-24"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"django","fixedVersion":"5.2.9"},{"ecosystem":"PyPI","name":"django","fixedVersion":"5.1.15"},{"ecosystem":"PyPI","name":"django","fixedVersion":"4.2.27"}],"fix":{"url":"https://github.com/django/django/commit/0db9ea4669312f1f4973e09f4bca06ab9c1ec74b","label":"django/django@0db9ea4"},"references":[{"type":"WEB","url":"https://github.com/django/django/"},{"type":"ADVISORY","url":"https://docs.djangoproject.com/en/dev/releases/security/"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/64xxx/CVE-2025-64460.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-64460"},{"type":"ADVISORY","url":"https://www.djangoproject.com/weblog/2025/dec/02/security-releases/"},{"type":"PACKAGE","url":"https://pypi.org/project/Django/"},{"type":"ARTICLE","url":"https://groups.google.com/g/django-announce"},{"type":"WEB","url":"https://github.com/django/django/commit/0db9ea4669312f1f4973e09f4bca06ab9c1ec74b"},{"type":"WEB","url":"https://github.com/django/django/commit/1dbd07a608e495a0c229edaaf84d58d8976313b5"},{"type":"WEB","url":"https://github.com/django/django/commit/4d2b8803bebcdefd2b76e9e8fc528d5fddea93f0"},{"type":"WEB","url":"https://github.com/django/django/commit/99e7d22f55497278d0bcb2e15e72ef532e62a31d"},{"type":"WEB","url":"https://docs.djangoproject.com/en/dev/releases/security"},{"type":"PACKAGE","url":"https://github.com/django/django"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2025-109.yaml"},{"type":"WEB","url":"https://www.djangoproject.com/weblog/2025/dec/02/security-releases"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:13.889738062Z"}}