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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Escargot", "vendor": "Samsung Opensource", "versions": [{"status": "affected", "version": "5dc93606abd42b859045add05d704a038e197359"}]}], "source": "PSIRT@samsung.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An out-of-bounds write caused by numeric truncation Samsung Open Source Escargot on Linux x86-64 allows an attacker who can supply JavaScript for execution to corrupt native memory and crash the host process via a crafted class definition whose instance initialization entry count exceeds UINT16_MAX.\n\n\n\nThis issue affects Escargot: 5dc93606abd42b859045add05d704a038e197359."}], "id": "CVE-2026-86315", "lastModified": "2026-09-07T04:17:55.650", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.5, "impactScore": 3.6, "source": "PSIRT@samsung.com", "type": "Secondary"}]}, "published": "2026-09-07T04:17:55.650", "references": [{"source": "PSIRT@samsung.com", "url": "https://github.com/Samsung/escargot/pull/1660"}], "sourceIdentifier": "PSIRT@samsung.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-197"}], "source": "PSIRT@samsung.com", "type": "Secondary"}]}

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