« Back to list

CVE-2019-8733

Status: ModifiedHigh (8.8)—

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in tvOS 13, iTunes for Windows 12.10.1, iCloud for Windows 10.7, iCloud for Windows 7.14. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (3)

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2019-8733",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 8.8,
          "attackVector": "NETWORK",
          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "product-security@apple.com",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "tvOS",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "tvOS 13",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "iTunes for Windows",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "iTunes for Windows 12.10.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "iCloud for Windows",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "iCloud for Windows 10.7",
              "versionType": "custom"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "iCloud for Windows (Legacy)",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified",
              "lessThan": "iCloud for Windows 7.14",
              "versionType": "custom"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-12-18T18:15:37.740",
  "references": [
    {
      "url": "https://security.gentoo.org/glsa/202003-22",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/HT210635",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/HT210636",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://support.apple.com/HT210637",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "product-security@apple.com"
    },
    {
      "url": "https://security.gentoo.org/glsa/202003-22",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/HT210635",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/HT210636",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.apple.com/HT210637",
      "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 memory handling. This issue is fixed in tvOS 13, iTunes for Windows 12.10.1, iCloud for Windows 10.7, iCloud for Windows 7.14. Processing maliciously crafted web content may lead to arbitrary code execution."
    },
    {
      "lang": "es",
      "value": "Múltiples problemas de corrupción de memoria fueron abordados mejorando el manejo de la memoria. Este problema es corregido en tvOS versión 13, iTunes para Windows versión 12.10.1, iCloud para Windows versión 10.7, iCloud para Windows versión 7.14. El procesamiento de contenido web diseñado maliciosamente puede conllevar a una ejecución de código arbitrario."
    }
  ],
  "lastModified": "2026-06-17T02:42:27.613",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CD51BEFE-B28D-412A-996D-ADA104E4EC17",
              "versionEndExcluding": "7.14"
            },
            {
              "criteria": "cpe:2.3:a:apple:icloud:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3AB3D55F-1566-4705-98C9-6D56F8F156F0",
              "versionEndExcluding": "10.7",
              "versionStartIncluding": "10.0"
            },
            {
              "criteria": "cpe:2.3:a:apple:itunes:*:*:*:*:*:windows:*:*",
              "vulnerable": true,
              "matchCriteriaId": "397F21E9-3B36-49AE-92E3-B5B1FC7773D1",
              "versionEndExcluding": "12.10.1"
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E6FCD7CE-EC26-4952-A34D-2221AA4F223B",
              "versionEndExcluding": "13"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "product-security@apple.com"
}