← Back to CVE Explorer

CVE-2025-43342

Full vulnerability record from the local CVENow database.

Description

A correctness issue was addressed with improved checks. This issue is fixed in Safari 26, iOS 18.7 and iPadOS 18.7, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to an unexpected process crash.

Severity
CRITICAL
CVSS score
9.8 (v3.1)
Vulnerability status
Modified
Source identifier
Published
2025-09-15 23:15:36.483000
Last modified
2026-10-18 21:10:00.120000
View original CVE JSON
{
  "id": "CVE-2025-43342",
  "sourceIdentifier": "[email protected]",
  "published": "2025-09-15T23:15:36.483",
  "lastModified": "2026-10-18T21:10:00.120",
  "vulnStatus": "Modified",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A correctness issue was addressed with improved checks. This issue is fixed in Safari 26, iOS 18.7 and iPadOS 18.7, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to an unexpected process crash."
    },
    {
      "lang": "es",
      "value": "Se abordó un problema de corrección con comprobaciones mejoradas. Este problema está solucionado en Safari 26, tvOS 26, watchOS 26, iOS 26 y iPadOS 26, visionOS 26, iOS 18.7 y iPadOS 18.7. El procesamiento de contenido web maliciosamente elaborado puede provocar una caída inesperada del proceso."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Apple",
          "product": "Safari",
          "versions": [
            {
              "version": "0",
              "lessThan": "26",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "iOS and iPadOS",
          "versions": [
            {
              "version": "0",
              "lessThan": "18.7",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "0",
              "lessThan": "26",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "macOS",
          "versions": [
            {
              "version": "0",
              "lessThan": "26",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "tvOS",
          "versions": [
            {
              "version": "0",
              "lessThan": "26",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "visionOS",
          "versions": [
            {
              "version": "0",
              "lessThan": "26",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Apple",
          "product": "watchOS",
          "versions": [
            {
              "version": "0",
              "lessThan": "26",
              "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:N/S:U/C:H/I:H/A:H",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-09-16T13:38:38.852885Z",
          "id": "CVE-2025-43342",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "26.0",
              "matchCriteriaId": "213D326D-D8FB-4C0B-B3C9-D44E359F5765"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "18.7",
              "matchCriteriaId": "5006F7D9-931C-4C7A-960A-C46338855CBB"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "18.7",
              "matchCriteriaId": "025344A4-9E22-44FD-AF62-67FE85D1C621"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "26.0",
              "matchCriteriaId": "39AFEC84-CF6E-4859-8B5A-C5CF3F838A94"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "26.0",
              "matchCriteriaId": "BD4D5965-C1B7-4C82-AB16-BA4D41F2FBCA"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "26.0",
              "matchCriteriaId": "E33744A8-68C0-4822-B08E-100911C18404"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "26.0",
              "matchCriteriaId": "66CF3395-7CC9-41FD-8419-815AC6022191"
            }
          ]
        }
      ]
    },
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.48.7",
              "matchCriteriaId": "AF18D2D1-BB70-4008-AA7B-3440BED56CE0"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "2.48.7",
              "matchCriteriaId": "A474A7E2-6C0E-44F8-BB84-5F57B374EA6A"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://support.apple.com/en-us/125108",
      "source": "[email protected]",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/125109",
      "source": "[email protected]",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/125110",
      "source": "[email protected]"
    },
    {
      "url": "https://support.apple.com/en-us/125113",
      "source": "[email protected]",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/125114",
      "source": "[email protected]",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/125115",
      "source": "[email protected]",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "https://support.apple.com/en-us/125116",
      "source": "[email protected]",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2025/Sep/49",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2025/Sep/53",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2025/Sep/57",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://seclists.org/fulldisclosure/2025/Sep/59",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2025/09/22/3",
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ]
    }
  ]
}