fkie_cve-2025-27556
Vulnerability from fkie_nvd
Published
2025-04-02 13:15
Modified
2025-04-02 22:15
Severity ?
5.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
Summary
An issue was discovered in Django 5.1 before 5.1.8 and 5.0 before 5.0.14. The NFKC normalization is slow on Windows. As a consequence, django.contrib.auth.views.LoginView, django.contrib.auth.views.LogoutView, and django.views.i18n.set_language are subject to a potential denial-of-service attack via certain inputs with a very large number of Unicode characters.
References
cve@mitre.orghttps://docs.djangoproject.com/en/dev/releases/security/
cve@mitre.orghttps://groups.google.com/g/django-announce
cve@mitre.orghttps://www.djangoproject.com/weblog/2025/apr/02/security-releases/
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/04/02/2
Impacted products
Vendor Product Version


To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Django 5.1 before 5.1.8 and 5.0 before 5.0.14. The NFKC normalization is slow on Windows. As a consequence, django.contrib.auth.views.LoginView, django.contrib.auth.views.LogoutView, and django.views.i18n.set_language are subject to a potential denial-of-service attack via certain inputs with a very large number of Unicode characters."
    },
    {
      "lang": "es",
      "value": "Se descubri\u00f3 un problema en Django 5.1 antes de 5.1.8 y 5.0 antes de 5.0.14. La normalizaci\u00f3n de NFKC es lenta en Windows. Como consecuencia, django.contrib.auth.views.loginview, django.contrib.auth.views.logoutview, y django.views.i18n.set_language est\u00e1n sujetos a un posible ataque de denegaci\u00f3n de servicio a trav\u00e9s de ciertas entradas con un n\u00famero muy grande de caracteres Unicode."
    }
  ],
  "id": "CVE-2025-27556",
  "lastModified": "2025-04-02T22:15:19.367",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 5.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "cve@mitre.org",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-04-02T13:15:44.373",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://docs.djangoproject.com/en/dev/releases/security/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://groups.google.com/g/django-announce"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://www.djangoproject.com/weblog/2025/apr/02/security-releases/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "http://www.openwall.com/lists/oss-security/2025/04/02/2"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "cve@mitre.org",
      "type": "Secondary"
    }
  ]
}


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