CVE-2025-43501

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-43501", "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "state": "PUBLISHED", "assignerShortName": "apple", "dateReserved": "2025-04-16T15:27:21.192Z", "datePublished": "2025-12-17T20:46:30.548Z", "dateUpdated": "2026-04-02T18:09:14.942Z"}, "containers": {"cna": {"problemTypes": [{"descriptions": [{"lang": "en", "description": "Processing maliciously crafted web content may lead to an unexpected process crash"}]}], "affected": [{"vendor": "Apple", "product": "Safari", "versions": [{"version": "0", "status": "affected", "lessThan": "26.2", "versionType": "custom"}]}, {"vendor": "Apple", "product": "iOS and iPadOS", "versions": [{"version": "0", "status": "affected", "lessThan": "18.7.3", "versionType": "custom"}, {"version": "0", "status": "affected", "lessThan": "26.2", "versionType": "custom"}]}, {"vendor": "Apple", "product": "macOS", "versions": [{"version": "0", "status": "affected", "lessThan": "26.2", "versionType": "custom"}]}, {"vendor": "Apple", "product": "visionOS", "versions": [{"version": "0", "status": "affected", "lessThan": "26.2", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "A buffer overflow issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2. Processing maliciously crafted web content may lead to an unexpected process crash."}], "references": [{"url": "https://support.apple.com/en-us/125884"}, {"url": "https://support.apple.com/en-us/125885"}, {"url": "https://support.apple.com/en-us/125886"}, {"url": "https://support.apple.com/en-us/125891"}, {"url": "https://support.apple.com/en-us/125892"}], "providerMetadata": {"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple", "dateUpdated": "2026-04-02T18:09:14.942Z"}}, "adp": [{"metrics": [{"cvssV3_1": {"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"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2025-43501", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-12-19T04:55:32.311931Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-120", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-26T16:07:30.876Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"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"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2025-43501", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2025-12-19T04:55:32.311931Z"}}}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-120", "description": "CWE-120 Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')"}]}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-12-17T21:08:16.531Z"}}], "cna": {"affected": [{"vendor": "Apple", "product": "iOS and iPadOS", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "18.7", "versionType": "custom"}]}, {"vendor": "Apple", "product": "Safari", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "26.2", "versionType": "custom"}]}, {"vendor": "Apple", "product": "iOS and iPadOS", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "26.2", "versionType": "custom"}]}, {"vendor": "Apple", "product": "visionOS", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "26.2", "versionType": "custom"}]}, {"vendor": "Apple", "product": "macOS", "versions": [{"status": "affected", "version": "unspecified", "lessThan": "26.2", "versionType": "custom"}]}], "references": [{"url": "https://support.apple.com/en-us/125885"}, {"url": "https://support.apple.com/en-us/125892"}, {"url": "https://support.apple.com/en-us/125884"}, {"url": "https://support.apple.com/en-us/125891"}, {"url": "https://support.apple.com/en-us/125886"}], "descriptions": [{"lang": "en", "value": "A buffer overflow issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2. Processing maliciously crafted web content may lead to an unexpected process crash."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Processing maliciously crafted web content may lead to an unexpected process crash"}]}], "providerMetadata": {"orgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "shortName": "apple", "dateUpdated": "2025-12-17T20:46:30.548Z"}}}, "cveMetadata": {"cveId": "CVE-2025-43501", "state": "PUBLISHED", "dateUpdated": "2026-02-26T16:07:30.876Z", "dateReserved": "2025-04-16T15:27:21.192Z", "assignerOrgId": "286789f9-fbc2-4510-9f9a-43facdede74c", "datePublished": "2025-12-17T20:46:30.548Z", "assignerShortName": "apple"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "Safari", "vendor": "Apple", "versions": [{"lessThan": "26.2", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "iOS and iPadOS", "vendor": "Apple", "versions": [{"lessThan": "18.7.3", "status": "affected", "version": "0", "versionType": "custom"}, {"lessThan": "26.2", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "macOS", "vendor": "Apple", "versions": [{"lessThan": "26.2", "status": "affected", "version": "0", "versionType": "custom"}]}, {"product": "visionOS", "vendor": "Apple", "versions": [{"lessThan": "26.2", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "product-security@apple.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*", "matchCriteriaId": "3ECBF838-536C-47F9-9876-C526B8ED32EC", "versionEndExcluding": "26.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "matchCriteriaId": "6547722A-1226-4E23-B3AE-8692B07C2657", "versionEndExcluding": "18.7.3", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*", "matchCriteriaId": "8B71D919-1AA2-4F17-A834-4B703E36F7E2", "versionEndExcluding": "26.2", "versionStartIncluding": "26.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "matchCriteriaId": "8928A377-93BD-49AD-B4FE-5B2328EBDB70", "versionEndExcluding": "18.7.3", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*", "matchCriteriaId": "10FD01C3-D77F-4FE4-8195-F2C59FB1321C", "versionEndExcluding": "26.2", "versionStartIncluding": "26.0", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*", "matchCriteriaId": "FBA92B6D-E36C-432B-A041-94D81427CD75", "versionEndExcluding": "26.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*", "matchCriteriaId": "EB10D901-4800-4DF9-AB35-48017C178161", "versionEndExcluding": "26.2", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A buffer overflow issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2. Processing maliciously crafted web content may lead to an unexpected process crash."}, {"lang": "es", "value": "Se abord\u00f3 un problema de desbordamiento de b\u00fafer con una gesti\u00f3n de memoria mejorada. Este problema se corrigi\u00f3 en Safari 26.2, iOS 18.7.3 y iPadOS 18.7.3, iOS 26.2 y iPadOS 26.2, macOS Tahoe 26.2, visionOS 26.2. El procesamiento de contenido web creado con fines maliciosos puede provocar un cierre inesperado del proceso."}], "id": "CVE-2025-43501", "lastModified": "2026-10-07T11:10:00.153", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-43501", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-12-19T04:55:32.311931Z", "version": "2.0.3"}}]}, "published": "2025-12-17T21:16:09.043", "references": [{"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/125884"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/125885"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/125886"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/125891"}, {"source": "product-security@apple.com", "tags": ["Release Notes", "Vendor Advisory"], "url": "https://support.apple.com/en-us/125892"}], "sourceIdentifier": "product-security@apple.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-787"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-120"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "webkitgtk: Processing maliciously crafted web content may lead to an unexpected process crash", "id": "2423185", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2423185"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-120", "details": ["A flaw was found in WebKitGTK. Processing malicious web content can cause a buffer overflow due to improper memory handling and result in an unexpected process crash."], "mitigation": {"lang": "en:us", "value": "Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible."}, "name": "CVE-2025-43501", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "webkitgtk", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "webkitgtk3", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "webkitgtk4", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "webkit2gtk3", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "webkit2gtk3", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-12-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-43501\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-43501\nhttps://webkitgtk.org/security/WSA-2025-0010.html"], "statement": "To exploit this issue, an attacker needs to trick a user into processing or loading malicious web content. Due to this reason, this flaw has been rated with an important severity.\nAdditionally, this issue can cause an unexpected process crash but the possibility of remote code execution is not discarded.", "threat_severity": "Important"}

{"analysis": {"en": {"generated_at": "2026-04-27T22:12:43.772933+00:00", "value": {"mitigation_remediation": ["Install the latest Safari, iOS, iPadOS, macOS, and visionOS updates that contain the buffer\u2011overflow fix (Safari\u202f26.2, iOS\u202f18.7.3/26.2, iPadOS\u202f18.7.3/26.2, macOS\u202f26.2, visionOS\u202f26.2).", "Enable automatic system and application updates so that any future fixes are applied promptly.", "If an immediate update is not possible, use network filtering or web\u2011content policies to block or scrutinize suspicious pages until the patch can be applied."], "summary": {"action": "Update browsers", "impact": "Denial of Service via process crash"}, "threat_synthesis": {"affected_systems": "The issue affects Apple\u2019s browsers and systems: Safari, iOS, iPadOS, macOS, and visionOS. Fixed releases are Safari 26.2, iOS 18.7.3/26.2, iPadOS 18.7.3/26.2, macOS 26.2, and visionOS 26.2.", "description_and_impact": "A classic buffer overflow flaw in WebKit GTK can cause the rendering process to crash when maliciously crafted web content is processed, leading to a denial\u2011of\u2011service impact. The weak points are identified as CWE-120 and CWE-787, indicating classic memory\u2011safety violations. No evidence of code execution is provided in the data, so the primary consequence is an application crash rather than a broader compromise.", "risk_and_exploitability": "The CVSS score of 4.3 indicates a low severity level. An EPSS of less than 1\u202f% indicates a very low likelihood of exploitation. The flaw is not listed in the CISA KEV catalog. The inferred attack vector is the delivery of malicious web content through Safari or any WebKit\u2011based application; an attacker would need user interaction to open or load such content. The impact would be limited to a browser crash, resulting in temporary denial of service for the affected user."}}}}, "created": "2025-12-18T09:55:48.029800+00:00", "updated": "2026-04-27T22:15:15.130817+00:00", "vendors": ["apple", "apple$PRODUCT$ios", "apple$PRODUCT$ipados", "apple$PRODUCT$macos", "apple$PRODUCT$macos_tahoe", "apple$PRODUCT$safari", "apple$PRODUCT$visionos", "webkitgtk", "webkitgtk$PRODUCT$webkitgtk"]}