CVE-2025-43353

The issue was addressed with improved bounds checks. This issue is fixed in macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26. Processing a maliciously crafted string may lead to heap corruption.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://support.apple.com/en-us/125110
https://support.apple.com/en-us/125111	Release Notes Vendor Advisory
https://support.apple.com/en-us/125112	Release Notes Vendor Advisory
http://seclists.org/fulldisclosure/2025/Sep/53
http://seclists.org/fulldisclosure/2025/Sep/54
http://seclists.org/fulldisclosure/2025/Sep/55

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:apple:macos::::::::
	cpe:2.3:o:apple:macos::::::::

History

No history.

Information

Published : 2025-09-15 23:15

Updated : 2026-06-17 09:23

NVD link : CVE-2025-43353

Mitre link : CVE-2025-43353

CVE.ORG link : CVE-2025-43353

JSON object : View

Products Affected

apple

macos

CWE

CWE-787

Out-of-bounds Write

{"id": "CVE-2025-43353", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-43353", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2025-09-17T03:55:44.238391Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "affected": [{"source": "product-security@apple.com", "affectedData": [{"vendor": "Apple", "product": "macOS", "versions": [{"status": "affected", "version": "0", "lessThan": "14.8", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "15.7", "versionType": "custom"}, {"status": "affected", "version": "0", "lessThan": "26", "versionType": "custom"}]}]}], "published": "2025-09-15T23:15:37.180", "references": [{"url": "https://support.apple.com/en-us/125110", "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/125111", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "https://support.apple.com/en-us/125112", "tags": ["Release Notes", "Vendor Advisory"], "source": "product-security@apple.com"}, {"url": "http://seclists.org/fulldisclosure/2025/Sep/53", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://seclists.org/fulldisclosure/2025/Sep/54", "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://seclists.org/fulldisclosure/2025/Sep/55", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-787"}]}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-787"}]}], "descriptions": [{"lang": "en", "value": "The issue was addressed with improved bounds checks. This issue is fixed in macOS Sequoia 15.7, macOS Sonoma 14.8, macOS Tahoe 26. Processing a maliciously crafted string may lead to heap corruption."}], "lastModified": "2026-06-17T09:23:49.243", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9EF389A5-03CF-478D-9CE9-26556CBD4CEC", "versionEndExcluding": "14.8", "versionStartIncluding": "14.0"}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D37B8DD2-ECC6-469E-A1A3-148B98F9DEB6", "versionEndExcluding": "15.7", "versionStartIncluding": "15.0"}], "operator": "OR"}]}], "sourceIdentifier": "product-security@apple.com"}