CVE-2025-43429

A buffer overflow was addressed with improved bounds checking. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected process 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/125637
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:tvos::::::::
	cpe:2.3:o:apple:visionos::::::::
	cpe:2.3:o:apple:watchos::::::::

History

26 Sep 2026, 00:10

Type	Values Removed	Values Added
Summary		(es) Un desbordamiento de búfer se abordó con una comprobación de límites mejorada. Este problema está solucionado en iOS 18.7.2 y iPadOS 18.7.2. El procesamiento de contenido web creado con fines maliciosos puede provocar una caída inesperada del proceso.

Information

Published : 2025-11-04 02:15

Updated : 2026-09-26 00:10

NVD link : CVE-2025-43429

Mitre link : CVE-2025-43429

CVE.ORG link : CVE-2025-43429

JSON object : View

Products Affected

apple

watchos
iphone_os
ipados
tvos
safari
visionos

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

{"id": "CVE-2025-43429", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-43429", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2025-11-04T14:43:32.836142Z"}}], "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}]}, "affected": [{"source": "product-security@apple.com", "affectedData": [{"vendor": "Apple", "product": "Safari", "versions": [{"status": "affected", "version": "0", "lessThan": "26.1", "versionType": "custom"}]}, {"vendor": "Apple", "product": "iOS and iPadOS", "versions": [{"status": "affected", "version": "0", "lessThan": "18.7.2", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "26.1", "versionType": "custom"}]}, {"vendor": "Apple", "product": "macOS", "versions": [{"status": "affected", "version": "0", "lessThan": "26.1", "versionType": "custom"}]}, {"vendor": "Apple", "product": "tvOS", "versions": [{"status": "affected", "version": "0", "lessThan": "26.1", "versionType": "custom"}]}, {"vendor": "Apple", "product": "visionOS", "versions": [{"status": "affected", "version": "0", "lessThan": "26.1", "versionType": "custom"}]}, {"vendor": "Apple", "product": "watchOS", "versions": [{"status": "affected", "version": "0", "lessThan": "26.1", "versionType": "custom"}]}]}], "published": "2025-11-04T02:15:48.727", "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/125637", "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-119"}]}], "descriptions": [{"lang": "en", "value": "A buffer overflow was addressed with improved bounds checking. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash."}, {"lang": "es", "value": "Un desbordamiento de b\u00fafer se abord\u00f3 con una comprobaci\u00f3n de l\u00edmites mejorada. Este problema est\u00e1 solucionado en iOS 18.7.2 y iPadOS 18.7.2. El procesamiento de contenido web creado con fines maliciosos puede provocar una ca\u00edda inesperada del proceso."}], "lastModified": "2026-09-26T00:10:00.127", "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:tvos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "290E0D29-CB5B-45A7-9FE3-FD2030B1D1A4", "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"}