CVE-2025-43435

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{}

{"analysis": {"en": {"generated_at": "2026-04-27T23:23:07.470562+00:00", "value": {"mitigation_remediation": ["Install the latest updates for Safari\u202f26.1 and the corresponding operating system releases: iOS\u202f18.7.2/26.1, iPadOS\u202f18.7.2/26.1, macOS\u202fTahoe\u202f26.1, tvOS\u202f26.1, visionOS\u202f26.1, and watchOS\u202f26.1.", "Keep all Apple devices on fully updated firmware or operating system versions to prevent the flaw from remaining exploitable.", "Avoid rendering untrusted web content or sites until the patch is applied, thereby reducing exposure to maliciously crafted pages that trigger the memory fault."], "summary": {"action": "Apply patch", "impact": "Unexpected process crash leads to denial of service"}, "threat_synthesis": {"affected_systems": "Affected Apple products include Safari, iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. The issue is addressed in Safari\u202f26.1, iOS\u202f18.7.2 and\u202f26.1, iPadOS\u202f18.7.2 and\u202f26.1, macOS Tahoe\u202f26.1, tvOS\u202f26.1, visionOS\u202f26.1, and watchOS\u202f26.1.", "description_and_impact": "Apple Safari, iOS, iPadOS, macOS, tvOS, visionOS, and watchOS contain a memory handling flaw that may be triggered when processing maliciously crafted web content. The bug is a classic out\u2011of\u2011bounds write (CWE\u2011119) that can corrupt data structures and cause the affected process to terminate unexpectedly, resulting in a denial\u2011of\u2011service condition for the user.", "risk_and_exploitability": "The CVSS score of 4.3 reflects moderate severity, and the EPSS score of less than 1% indicates a low probability of exploitation at present. The vulnerability is not listed in CISA\u2019s KEV catalog, suggesting no widely used exploits are documented. The likely attack vector is remote: an attacker who can supply malicious web content that a user or application renders can trigger the memory handling flaw, causing a crash and denying service to the affected device. No elevated privileges or additional prerequisites are required; any user capable of displaying vulnerable content could potentially trigger the failure."}}}}, "created": "2025-11-04T16:34:28.740645+00:00", "title": "Memory Handling Crash in Safari and Apple Operating Systems", "updated": "2026-04-27T23:30:15.501488+00:00", "vendors": ["apple", "apple$PRODUCT$ios", "apple$PRODUCT$ipad_os", "apple$PRODUCT$safari", "apple$PRODUCT$tv_os", "apple$PRODUCT$visionos", "apple$PRODUCT$watch_os"]}