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CVE-2017-5969

Estado: ModificadaMedia (4.7)—

libxml2 2.9.4, when used in recover mode, allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted XML document. NOTE: The maintainer states "I would disagree of a CVE with the Recover parsing option which should only be used for manual recovery at least for XML parser.

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 (1)

Xmlsoft — Libxml2

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2017-5969",
  "cveTags": [
    {
      "tags": [
        "disputed"
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      "sourceIdentifier": "cve@mitre.org"
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  "metrics": {
    "cvssMetricV2": [
      {
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        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.6,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:H/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "HIGH",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 4.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
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        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
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          "baseScore": 4.7,
          "attackVector": "LOCAL",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "REQUIRED",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 1
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
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  "published": "2017-04-11T16:59:00.343",
  "references": [
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      "source": "cve@mitre.org"
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    {
      "url": "https://security.gentoo.org/glsa/201711-01",
      "source": "cve@mitre.org"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
      "url": "https://security.gentoo.org/glsa/201711-01",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-476"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "libxml2 2.9.4, when used in recover mode, allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted XML document.  NOTE: The maintainer states \"I would disagree of a CVE with the Recover parsing option which should only be used for manual recovery at least for XML parser."
    },
    {
      "lang": "es",
      "value": "** DISPUTADO ** libxml2 2.9.4, cuando se utiliza en el modo de recuperación, permite a los atacantes remotos provocar una denegación de servicio (referencia de puntero NULL) por medio de un documento XML manipulado. NOTA: El mantenedor declara que \"no estaría de acuerdo con un CVE con la opción de análisis de recuperación que sólo debería utilizarse para la recuperación manual al menos para el analizador de XML\"."
    }
  ],
  "lastModified": "2026-06-17T01:21:31.863",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "matchCriteriaId": "430C1FDF-1239-4FF2-B5A4-8CED209B8036"
            }
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          "operator": "OR"
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  "sourceIdentifier": "cve@mitre.org"
}