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CVE-2019-8756

Estado: ModificadaCrítica (9.8)—

Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Catalina 10.15, iOS 13, iCloud for Windows 7.14, iCloud for Windows 10.7, tvOS 13, macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, watchOS 6, iTunes 12.10.1 for Windows. Multiple issues in libxml2.

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 (5)

Apple — IcloudApple — ItunesApple — MAC OS XApple — TvosApple — Watchos

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2019-8756",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 9.8,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
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      "source": "product-security@apple.com",
      "affectedData": [
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          "vendor": "Apple",
          "product": "tvOS",
          "versions": [
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        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
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        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
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              "version": "unspecified",
              "lessThan": "10.7",
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            }
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        {
          "vendor": "Apple",
          "product": "macOS",
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              "version": "unspecified",
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          "vendor": "Apple",
          "product": "macOS",
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              "lessThan": "10.15",
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  ],
  "published": "2020-10-27T20:15:18.860",
  "references": [
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      "tags": [
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      "source": "product-security@apple.com"
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/en-us/HT210636",
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    },
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      "url": "https://support.apple.com/en-us/HT210637",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Multiple memory corruption issues were addressed with improved input validation. This issue is fixed in macOS Catalina 10.15, iOS 13, iCloud for Windows 7.14, iCloud for Windows 10.7, tvOS 13, macOS Catalina 10.15.1, Security Update 2019-001, and Security Update 2019-006, watchOS 6, iTunes 12.10.1 for Windows. Multiple issues in libxml2."
    },
    {
      "lang": "es",
      "value": "Se abordó múltiples problemas de corrupción de la memoria con una comprobación de entrada mejorada. Este problema se corrigió en macOS Catalina versión 10.15, iOS versión 13, iCloud para Windows versión 7.14, iCloud para Windows versión 10.7, tvOS versión 13, macOS Catalina versión 10.15.1, Security Update 2019-001 y Security Update 2019-006, watchOS versión 6, iTunes versión 12.10. 1 para Windows. Múltiples problemas en libxml2"
    }
  ],
  "lastModified": "2026-06-17T02:42:33.157",
  "configurations": [
    {
      "nodes": [
        {
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}