CVE-2025-43421

{
  "id": "CVE-2025-43421",
  "sourceIdentifier": "[email protected]",
  "published": "2025-11-04T02:15:47.977",
  "lastModified": "2026-10-18T21:10:00.120",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Multiple issues were addressed by disabling array allocation sinking. This issue is fixed in Safari 26.1, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash."
    },
    {
      "lang": "es",
      "value": "Se abordaron múltiples problemas al deshabilitar el hundimiento de asignación de arreglos. Este problema está corregido en iOS 26.1 y iPadOS 26.1, Safari 26.1, visionOS 26.1. El procesamiento de contenido web malintencionado puede provocar una caída inesperada del proceso."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "Safari",
          "versions": [
            {
              "version": "0",
              "lessThan": "26.1",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "iOS and iPadOS",
          "versions": [
            {
              "version": "0",
              "lessThan": "26.1",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "version": "0",
              "lessThan": "26.1",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "visionOS",
          "versions": [
            {
              "version": "0",
              "lessThan": "26.1",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-11-04T13:09:19.765196Z",
          "id": "CVE-2025-43421",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "26.1",
              "matchCriteriaId": "CFF118CE-3F13-43BE-B250-5579E1C842EB"
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            {
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              "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
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              "matchCriteriaId": "6D51AEDC-9086-4010-B3BF-C652D65D09C8"
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            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*",
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  ],
  "references": [
    {
      "url": "https://support.apple.com/en-us/125632",
      "source": "[email protected]",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/125634",
      "source": "[email protected]"
    },
    {
      "url": "https://support.apple.com/en-us/125638",
      "source": "[email protected]",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/125640",
      "source": "[email protected]",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    }
  ]
}