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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,15.6)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "macOS", "source": "cna", "vendor": "Apple"}, "product": "macos", "vendor": "apple"}], "analysis": {"en": {"generated_at": "2026-04-03T21:23:58.653238+00:00", "value": {"mitigation_remediation": ["Apply the macOS Sequoia 15.6 security update or later", "Verify that the system has updated to a patched version via System Settings > Software Update", "If an update is unavailable, avoid opening untrusted images until patched"], "summary": {"action": "Immediate Patch", "impact": "Memory corruption when processing malicious images"}, "threat_synthesis": {"affected_systems": "Apple macOS environments are impacted, specifically versions prior to the Sequoia 15.6 release where the memory handling fix is applied. The vulnerability does not affect later patched versions.", "description_and_impact": "A buffer overflow occurs when macOS processes a specially crafted image file, leading to corruption of process memory. This type of flaw, identified as CWE\u2011119, can allow an attacker to potentially execute arbitrary code or cause a denial of service by destabilizing the affected application. The vulnerability is triggered by normal image handling routines and does not require elevated privileges.", "risk_and_exploitability": "With a CVSS score of 8.8 the vulnerability is considered high severity. The EPSS score of less than 1 percent indicates a low probability of exploitation at this time, and it has not been listed in the CISA KEV catalog. Attacks would likely involve delivering a malicious image to any application capable of rendering images, such as web browsers or image editors. Verification of whether a target system has received the Sequoia 15.6 update is critical to assess exposure."}}}}, "created": "2026-04-03T07:31:56.486177+00:00", "updated": "2026-04-07T07:55:38.728882+00:00", "vendors": ["apple", "apple$PRODUCT$macos"]}