CVE-2025-43287

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{"affected": [{"affectedData": [{"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "26", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "39AFEC84-CF6E-4859-8B5A-C5CF3F838A94", "versionEndExcluding": "26.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The issue was addressed with improved memory handling. This issue is fixed in macOS Tahoe 26. Processing a maliciously crafted image may corrupt process memory."}], "id": "CVE-2025-43287", "lastModified": "2026-06-17T09:23:40.263", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.2, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-43287", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-09-17T03:55:46.128894Z", "version": "2.0.3"}}]}, "published": "2025-09-15T23:15:32.153", "references": [{"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/125110"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://seclists.org/fulldisclosure/2025/Sep/53"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-28T00:10:28.352105+00:00", "value": {"mitigation_remediation": ["Install macOS Tahoe 26 or later to apply the memory handling fix.", "If an update is not immediately available, restrict or disable processing of user\u2011supplied images in critical applications.", "Monitor Apple security advisories for any additional patches or mitigations regarding memory corruption vulnerabilities."], "summary": {"action": "Patch", "impact": "Memory corruption"}, "threat_synthesis": {"affected_systems": "Apple macOS is affected. The flaw was fixed in macOS Tahoe 26; earlier releases that have not applied this update remain vulnerable. No further product details are supplied, meaning every macOS installation prior to Tahoe 26 can be impacted.", "description_and_impact": "The vulnerability occurs when processing a maliciously crafted image, leading to memory corruption due to improper bounds checking. This can alter the internal state of the target application and may enable further attacks. The weakness is an out\u2011of\u2011bounds write (CWE\u2011119).", "risk_and_exploitability": "The CVSS score is 7.1, indicating high severity. The EPSS score is less than 1%, implying low exploitation probability. It is not cataloged in the CISA KEV database. The attack requires delivery of a malicious image, suggesting the vector is user\u2011initiated or remote download, but the description does not confirm a possible remote execution path."}}}}, "created": "2025-09-17T10:06:39.719429+00:00", "title": "Improper Memory Handling in macOS Leading to Process Memory Corruption via Malicious Images", "updated": "2026-04-28T00:15:05.520087+00:00", "vendors": ["apple", "apple$PRODUCT$macos"]}