FKIE_CVE-2025-43529

Vulnerability from fkie_nvd - Published: 2025-12-17 21:16 - Updated: 2025-12-18 14:59
Severity ?
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.2, Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, tvOS 26.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report.
References
product-security@apple.comhttps://support.apple.com/en-us/125884Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/125885Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/125886Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/125889Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/125890Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/125891Release Notes, Vendor Advisory
product-security@apple.comhttps://support.apple.com/en-us/125892Release Notes, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43529US Government Resource
Impacted products
Vendor Product Version
apple safari *
apple ipados *
apple ipados *
apple iphone_os *
apple iphone_os *
apple macos *
apple tvos *
apple visionos *
apple watchos *
To clipboard 

{
  "cisaActionDue": "2026-01-05",
  "cisaExploitAdd": "2025-12-15",
  "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.",
  "cisaVulnerabilityName": "Apple Multiple Products Use-After-Free WebKit Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3ECBF838-536C-47F9-9876-C526B8ED32EC",
              "versionEndExcluding": "26.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6547722A-1226-4E23-B3AE-8692B07C2657",
              "versionEndExcluding": "18.7.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8B71D919-1AA2-4F17-A834-4B703E36F7E2",
              "versionEndExcluding": "26.2",
              "versionStartIncluding": "26.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8928A377-93BD-49AD-B4FE-5B2328EBDB70",
              "versionEndExcluding": "18.7.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "10FD01C3-D77F-4FE4-8195-F2C59FB1321C",
              "versionEndExcluding": "26.2",
              "versionStartIncluding": "26.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FBA92B6D-E36C-432B-A041-94D81427CD75",
              "versionEndExcluding": "26.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E0BBFB45-21F3-4B72-8DB1-BE72AFE0D2AB",
              "versionEndExcluding": "26.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "EB10D901-4800-4DF9-AB35-48017C178161",
              "versionEndExcluding": "26.2",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "15574823-ECE0-4394-99BC-6AFA34E599CC",
              "versionEndExcluding": "26.2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.2, Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2, tvOS 26.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report."
    }
  ],
  "id": "CVE-2025-43529",
  "lastModified": "2025-12-18T14:59:05.617",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-12-17T21:16:11.570",
  "references": [
    {
      "source": "product-security@apple.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/125884"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
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        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/125885"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
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        "Vendor Advisory"
      ],
      "url": "https://support.apple.com/en-us/125886"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
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        "Vendor Advisory"
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      "url": "https://support.apple.com/en-us/125889"
    },
    {
      "source": "product-security@apple.com",
      "tags": [
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        "Vendor Advisory"
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      "url": "https://support.apple.com/en-us/125890"
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      "source": "product-security@apple.com",
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      ],
      "url": "https://support.apple.com/en-us/125891"
    },
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      "source": "product-security@apple.com",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
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      "url": "https://support.apple.com/en-us/125892"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43529"
    }
  ],
  "sourceIdentifier": "product-security@apple.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-416"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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