CVE-2025-43193

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{}

{"analysis": {"en": {"generated_at": "2026-04-28T00:59:03.885766+00:00", "value": {"mitigation_remediation": ["Update macOS to macOS Sequoia\u202f15.6, macOS Sonoma\u202f14.7.7, or macOS Ventura\u202f13.7.7 and newer releases, which contain the memory\u2011handling fix. ", "Remove or block any legacy or unverified applications that might trigger the denial\u2011of\u2011service condition. ", "Enable Gatekeeper and enforce strict application notarization to prevent the execution of malicious third\u2011party code. ", "Continuously monitor system logs for signs of abnormal memory consumption or kernel panics and apply security updates promptly when released."], "summary": {"action": "Immediate Patch", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "The flaw affects Apple\u2019s macOS operating system across multiple releases. Specifically, the issue is fixed in macOS Sequoia 15.6, macOS Sonoma 14.7.7, and macOS Ventura 13.7.7. All earlier versions of these macOS lines are potentially vulnerable. The affected platforms include both desktop and server variants where the operating system is installed, though the description does not discriminate between hardware models.", "description_and_impact": "The disclosed vulnerability originates from flawed memory handling within macOS, leading to a potential denial\u2011of\u2011service condition when certain applications execute vulnerable code. The flaw is associated with CWE\u2011400, indicating insufficient resource limits or infinite loops that can exhaust system memory or cause kernel panics. An attacker can trigger this by crafting or executing a malicious application, resulting in an unresponsive system that requires a restart. This DoS impact can affect the availability of the compromised machine while other security properties remain intact.", "risk_and_exploitability": "The CVSS score of 9.8 categorizes this vulnerability as critical, while the EPSS score of less than 1% indicates a very low probability of exploitation at present. The flaw is not registered in the CISA KEV catalog, suggesting no known large\u2011scale attacks. The attack likely requires the user to run a specially crafted application, implying a local or near\u2011local attack vector; remote exploitation is not indicated by the data. If exploited, the attacker could cause a service interruption that would force a restart of the affected machine, potentially allowing a user or service to be unavailable for an extended period."}}}}, "created": "2025-07-30T11:10:21.406992+00:00", "updated": "2026-04-28T01:00:10.128343+00:00", "vendors": ["apple", "apple$PRODUCT$macos", "apple$PRODUCT$macos_sequoia", "apple$PRODUCT$macos_sonoma", "apple$PRODUCT$macos_ventura"]}