CVE-2025-43434

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://support.apple.com/en-us/125632
https://support.apple.com/en-us/125633
https://support.apple.com/en-us/125634
https://support.apple.com/en-us/125638
https://support.apple.com/en-us/125639
https://support.apple.com/en-us/125640

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apple:safari::::::::
	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:visionos::::::::
	cpe:2.3:o:apple:watchos::::::::

History

No history.

Information

Published : 2025-11-04 02:15

Updated : 2025-12-17 21:16

NVD link : CVE-2025-43434

Mitre link : CVE-2025-43434

CVE.ORG link : CVE-2025-43434

JSON object : View

Products Affected

apple

ipados
iphone_os
visionos
safari
watchos

CWE

CWE-416

Use After Free

{"id": "CVE-2025-43434", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.8}]}, "published": "2025-11-04T02:15:49.260", "references": [{"url": "https://support.apple.com/en-us/125632", "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/125633", "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/125634", "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/125638", "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/125639", "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/125640", "source": "product-security@apple.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-416"}]}], "descriptions": [{"lang": "en", "value": "A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 26.1, macOS Tahoe 26.1, iOS 26.1 and iPadOS 26.1, Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, visionOS 26.1. Processing maliciously crafted web content may lead to an unexpected Safari crash."}], "lastModified": "2025-12-17T21:16:02.850", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CFF118CE-3F13-43BE-B250-5579E1C842EB", "versionEndExcluding": "26.1"}, {"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6D51AEDC-9086-4010-B3BF-C652D65D09C8", "versionEndExcluding": "26.1"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3981A7BE-BC98-4C6F-AE38-D68839368925", "versionEndExcluding": "26.1"}, {"criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7DFD3616-65CA-4E5C-849C-3C20ACBCB610", "versionEndExcluding": "26.1"}, {"criteria": "cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9F9D7F76-13FB-407C-94E5-221B93021568", "versionEndExcluding": "26.1"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}