CVE-2025-43368
Full vulnerability record from the local CVENow database.
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26. Processing maliciously crafted web content may lead to an unexpected Safari crash.
Severity
MEDIUM
CVSS score
4.3
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2025-09-15 23:15:38.360000
Last modified
2026-10-18 21:10:00.120000
View original CVE JSON
{
"id": "CVE-2025-43368",
"sourceIdentifier": "[email protected]",
"published": "2025-09-15T23:15:38.360",
"lastModified": "2026-10-18T21:10:00.120",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26. Processing maliciously crafted web content may lead to an unexpected Safari crash."
},
{
"lang": "es",
"value": "Un problema de uso después de liberación se abordó con una gestión de memoria mejorada. Este problema está solucionado en Safari 26, iOS 26 y iPadOS 26. El procesamiento de contenido web creado con fines maliciosos puede provocar un cierre inesperado de Safari."
}
],
"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": "26",
"versionType": "custom",
"status": "affected"
}
]
},
{
"vendor": "Apple",
"product": "macOS",
"versions": [
{
"version": "0",
"lessThan": "26",
"versionType": "custom",
"status": "affected"
}
]
}
]
},
{
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"affectedData": [
{
"vendor": "Siemens",
"product": "SIMATIC CN 4100",
"defaultStatus": "unknown",
"versions": [
{
"version": "0",
"lessThan": "V5.0",
"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": "2025-09-16T13:20:05.552455Z",
"id": "CVE-2025-43368",
"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-416"
}
]
}
],
"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": "26.0",
"matchCriteriaId": "C4221CFD-0208-42B8-AACA-1BE6AEC3BA9A"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*",
"versionEndExcluding": "26.0",
"matchCriteriaId": "68DCA17A-424E-4EE3-B005-0F2E42407226"
},
{
"vulnerable": true,
"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*",
"versionEndExcluding": "26.0",
"matchCriteriaId": "39AFEC84-CF6E-4859-8B5A-C5CF3F838A94"
}
]
}
]
}
],
"references": [
{
"url": "https://support.apple.com/en-us/125108",
"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": "http://seclists.org/fulldisclosure/2025/Sep/49",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://seclists.org/fulldisclosure/2025/Sep/53",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://seclists.org/fulldisclosure/2025/Sep/59",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "http://www.openwall.com/lists/oss-security/2025/09/22/3",
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-032379.html",
"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"
}
]
}