CVE-2025-43419

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{"bugzilla": {"description": "webkitgtk: Processing maliciously crafted web content may lead to memory corruption", "id": "2416326", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2416326"}, "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-119", "details": ["The issue was addressed with improved memory handling. This issue is fixed in Safari 26, tvOS 26, watchOS 26, iOS 26 and iPadOS 26, visionOS 26. Processing maliciously crafted web content may lead to memory corruption."], "name": "CVE-2025-43419", "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": "2025-11-20T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-43419\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-43419\nhttps://webkitgtk.org/security/WSA-2025-0008.html"], "threat_severity": "Important"}

{"analysis": {"en": {"generated_at": "2026-04-28T18:37:59.964015+00:00", "value": {"mitigation_remediation": ["Apply the latest Apple software updates (Safari\u202f26, iOS\u202f26, iPadOS\u202f26, macOS\u202f26, tvOS\u202f26, visionOS\u202f26, watchOS\u202f26) to receive the WebKitGTK memory handling fix.", "If upgrading is not immediately feasible, sandbox the affected browsers with minimal privileges and restrict parsing or execution of arbitrary web content.", "Implement network segmentation and monitoring to detect potential exploitation attempts, and disable WebKitGTK in legacy applications when possible."], "summary": {"action": "Immediate Patch", "impact": "Memory Corruption"}, "threat_synthesis": {"affected_systems": "Apple Safari, iOS, iPadOS, macOS, tvOS, visionOS, and watchOS are affected. The vulnerability exists in all releases before version\u202f26 of each product and has been corrected in Safari\u202f26, iOS\u202f26, iPadOS\u202f26, macOS\u202f26, tvOS\u202f26, visionOS\u202f26, and watchOS\u202f26.", "description_and_impact": "The flaw occurs when Apple\u2019s WebKitGTK engine processes maliciously crafted web content, leading to memory corruption. The weakness is identified as CWE\u2011119, representing an improper handling of buffer boundaries. While the data does not provide a concrete exploitation example, the nature of the buffer overflow implies potential to execute code, thereby threatening confidentiality, integrity, and availability.", "risk_and_exploitability": "The CVSS score of 8.8 denotes a high severity. The EPSS score of less than\u202f1\u202f% indicates a low probability of exploitation in the wild. The vulnerability is not listed in CISA KEV. The attack vector can be inferred as remote via malicious web content, given the memory corruption in a browser engine."}}}}, "created": "2025-11-04T16:34:19.336874+00:00", "updated": "2026-04-28T18:45:15.975382+00:00", "vendors": ["apple", "apple$PRODUCT$ios", "apple$PRODUCT$ipados", "apple$PRODUCT$safari", "apple$PRODUCT$tvos", "apple$PRODUCT$visionos", "apple$PRODUCT$watchos"]}