{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43656", "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "state": "PUBLISHED", "assignerShortName": "apple", "dateReserved": "2026-05-01T22:46:21.639Z", "datePublished": "2026-05-11T20:08:00.885Z", "dateUpdated": "2026-05-12T17:22:14.990Z"}, "containers": {"cna": {"problemTypes": [{"descriptions": [{"lang": "en", "description": "Parsing a maliciously crafted file may lead to an unexpected app termination"}]}], "affected": [{"vendor": "Apple", "product": "iOS and iPadOS", "versions": [{"version": "0", "status": "affected", "lessThan": "18.7.9", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "26.5", "versionType": "custom"}]}, {"vendor": "Apple", "product": "macOS", "versions": [{"version": "0", "status": "affected", "lessThan": "14.8.7", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "15.7.7", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "26.5", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Parsing a maliciously crafted file may lead to an unexpected app termination."}], "references": [{"url": "https://support.apple.com/en-us/127110"}, {"url": "https://support.apple.com/en-us/127111"}, {"url": "https://support.apple.com/en-us/127115"}, {"url": "https://support.apple.com/en-us/127116"}, {"url": "https://support.apple.com/en-us/127117"}], "providerMetadata": {"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple", "dateUpdated": "2026-05-11T20:08:00.885Z"}}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-787", "lang": "en", "description": "CWE-787 Out-of-bounds Write"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.3, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-05-12T17:21:45.698535Z", "id": "CVE-2026-43656", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-12T17:22:14.990Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Parsing a maliciously crafted file may lead to an unexpected app termination."}], "id": "CVE-2026-43656", "lastModified": "2026-05-12T14:13:03.510", "metrics": {}, "published": "2026-05-11T21:19:01.380", "references": [{"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/127110"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/127111"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/127115"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/127116"}, {"source": "product-security@apple.com", "url": "https://support.apple.com/en-us/127117"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Undergoing Analysis"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,18.7.9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.5)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "iOS and iPadOS", "source": "cna", "vendor": "Apple"}, "product": "ios_and_ipados", "vendor": "apple"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,14.8.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,15.7.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,26.5)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "macOS", "source": "cna", "vendor": "Apple"}, "product": "macos", "vendor": "apple"}], "created": "2026-05-11T22:30:07.842359+00:00", "title": "Out-of-Bounds Write Causing Application Crashes on Apple Devices", "updated": "2026-05-11T23:15:09.764991+00:00", "vendors": ["apple", "apple$PRODUCT$ios_and_ipados", "apple$PRODUCT$macos"], "weaknesses": ["CWE-119"]}