CVE-2026-43653

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.8, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5. An attacker on the local network may be able to cause a denial-of-service.

CVSS v3 6.2 MEDIUM

6.2^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.5 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://support.apple.com/en-us/127110	Release Notes Vendor Advisory
https://support.apple.com/en-us/127111	Release Notes Vendor Advisory
https://support.apple.com/en-us/127115	Release Notes Vendor Advisory
https://support.apple.com/en-us/127117	Release Notes Vendor Advisory
https://support.apple.com/en-us/127118	Release Notes Vendor Advisory
https://support.apple.com/en-us/128071

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:ipados::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:iphone_os::::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:tvos::::::::

History

No history.

Information

Published : 2026-05-11 21:19

Updated : 2026-07-27 21:16

NVD link : CVE-2026-43653

Mitre link : CVE-2026-43653

CVE.ORG link : CVE-2026-43653

JSON object : View

Products Affected

apple

iphone_os
tvos
ipados
macos

CWE

CWE-400

Uncontrolled Resource Consumption

{"id": "CVE-2026-43653", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43653", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-12T18:11:32.917804Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.2, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.5}]}, "affected": [{"source": "product-security@apple.com", "affectedData": [{"vendor": "Apple", "product": "iOS and iPadOS", "versions": [{"status": "affected", "version": "0", "lessThan": "18.7.9", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "26.5", "versionType": "custom"}]}, {"vendor": "Apple", "product": "macOS", "versions": [{"status": "affected", "version": "0", "lessThan": "14.8.7", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "15.7.8", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "26.5", "versionType": "custom"}]}, {"vendor": "Apple", "product": "tvOS", "versions": [{"status": "affected", "version": "0", "lessThan": "26.5", "versionType": "custom"}]}]}], "published": "2026-05-11T21:19:01.070", "references": [{"url": "https://support.apple.com/en-us/127110", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/127111", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/127115", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/127117", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/127118", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/128071", "source": "product-security@apple.com"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-400"}]}], "descriptions": [{"lang": "en", "value": "The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.8, macOS Sonoma 14.8.7, macOS Tahoe 26.5, tvOS 26.5. An attacker on the local network may be able to cause a denial-of-service."}], "lastModified": "2026-07-27T21:16:51.947", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F3968B76-E6DE-416D-A0FB-E4833FFAAE0F", "versionEndExcluding": "18.7.9"}, {"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "20644D7E-2AB6-48CA-AED4-C474A9867986", "versionEndExcluding": "26.5", "versionStartIncluding": "26.0"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B6431EAF-B395-4C19-9AB6-A2F45991C897", "versionEndExcluding": "18.7.9"}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1BE54A3B-D667-43BA-AB71-BCF8438054E0", "versionEndExcluding": "26.5", "versionStartIncluding": "26.0"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "DD9E7FAE-30DA-4B2B-A63A-6DFEA7A29933", "versionEndExcluding": "14.8.7", "versionStartIncluding": "14.0"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "6CB91417-90A8-4A9B-A1D0-1D94B80EF837", "versionEndExcluding": "26.5", "versionStartIncluding": "26.0"}, {"criteria": "cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "176C47FD-FA25-437B-9061-A81CAA367AEF", "versionEndExcluding": "26.5"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}