CVE-2022-24836

Estado: ModificadaAlta (7.5)—
Nokogiri es una biblioteca XML y HTML de código abierto para Ruby. Nokogiri versiones anteriores a v1.13.4 contiene una expresión regular ineficiente que es susceptible de un retroceso excesivo cuando intenta detectar la codificación en documentos HTML. Se recomienda a usuarios actualizar a Nokogiri versiones posteriores a 1.13.4 incluyéndola. No se presentan medidas de mitigación conocidas para este problema
CVSS

Versión: 3.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Puntuación base: 7.5
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 3.52%
Percentil entre todas las CVEs puntuadas: 89
Fecha de la puntuación: 10/10/2026
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 (4)

Apple — Macos Debian — Debian Linux Fedoraproject — Fedora Nokogiri — Nokogiri
CWE

CWE-400, CWE-1333
CWE-1333
Referencias

JSON original (NVD)

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  "id": "CVE-2022-24836",
  "cveTags": [],
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          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
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          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
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  "published": "2022-04-11T22:15:07.347",
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      "value": "Nokogiri is an open source XML and HTML library for Ruby. Nokogiri `< v1.13.4` contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to detect encoding in HTML documents. Users are advised to upgrade to Nokogiri `>= 1.13.4`. There are no known workarounds for this issue."
    },
    {
      "lang": "es",
      "value": "Nokogiri es una biblioteca XML y HTML de código abierto para Ruby. Nokogiri versiones anteriores a v1.13.4 contiene una expresión regular ineficiente que es susceptible de un retroceso excesivo cuando intenta detectar la codificación en documentos HTML. Se recomienda a usuarios actualizar a Nokogiri versiones posteriores a 1.13.4 incluyéndola. No se presentan medidas de mitigación conocidas para este problema"
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  "lastModified": "2026-06-17T04:32:37.603",
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