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CVE-2023-36053

Estado: ModificadaAlta (7.5)—

In Django 3.2 before 3.2.20, 4 before 4.1.10, and 4.2 before 4.2.3, EmailValidator and URLValidator are subject to a potential ReDoS (regular expression denial of service) attack via a very large number of domain name labels of emails and URLs.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (3)

Debian — Debian LinuxDjangoproject — DjangoFedoraproject — Fedora

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2023-36053",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-36053",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-04-22T16:03:28.124119Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      },
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
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      "affectedData": [
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          "product": "n/a",
          "versions": [
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      "affectedData": [
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          ],
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          "product": "debian_linux",
          "versions": [
            {
              "status": "affected",
              "version": "10.0"
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          "defaultStatus": "unknown"
        },
        {
          "cpes": [
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          "vendor": "fedoraproject",
          "product": "fedora",
          "versions": [
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          "defaultStatus": "unknown"
        },
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          "vendor": "djangoproject",
          "product": "django",
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            {
              "status": "affected",
              "version": "*"
            }
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          "defaultStatus": "unknown"
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  ],
  "published": "2023-07-03T13:15:09.737",
  "references": [
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      "tags": [
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      "tags": [
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    {
      "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00022.html",
      "tags": [
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    },
    {
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    },
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      "tags": [
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      "source": "cve@mitre.org"
    },
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      "source": "cve@mitre.org"
    },
    {
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      "url": "https://docs.djangoproject.com/en/4.2/releases/security/",
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    {
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00022.html",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NRDGTUN4LTI6HG4TWR3JYLSFVXPZT42A/",
      "tags": [
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    },
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://www.debian.org/security/2023/dsa-5465",
      "tags": [
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    },
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      "url": "https://www.djangoproject.com/weblog/2023/jul/03/security-releases/",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1333"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1333"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Django 3.2 before 3.2.20, 4 before 4.1.10, and 4.2 before 4.2.3, EmailValidator and URLValidator are subject to a potential ReDoS (regular expression denial of service) attack via a very large number of domain name labels of emails and URLs."
    }
  ],
  "lastModified": "2026-06-17T06:05:44.917",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3100A051-B070-4C3E-B192-51CF3D1C4B46",
              "versionEndExcluding": "3.2.20",
              "versionStartIncluding": "3.2"
            },
            {
              "criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9BA4371C-EE73-4D0C-87B1-ECDD0B1E5387",
              "versionEndExcluding": "4.1.10",
              "versionStartIncluding": "4.0"
            },
            {
              "criteria": "cpe:2.3:a:djangoproject:django:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A53AB7F4-CE96-459E-A2D7-BF331976C289",
              "versionEndExcluding": "4.2.3",
              "versionStartIncluding": "4.2"
            }
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          "operator": "OR"
        }
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}