CVE-2026-86315

{"id": "CVE-2026-86315", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-86315", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-08T14:53:36.881610Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "PSIRT@samsung.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.2, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.5}]}, "affected": [{"source": "PSIRT@samsung.com", "affectedData": [{"vendor": "Samsung Opensource", "product": "Escargot", "versions": [{"status": "affected", "version": "5dc93606abd42b859045add05d704a038e197359"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-07T04:17:55.650", "references": [{"url": "https://github.com/Samsung/escargot/pull/1660", "source": "PSIRT@samsung.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "PSIRT@samsung.com", "description": [{"lang": "en", "value": "CWE-197"}]}], "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."}], "lastModified": "2026-09-08T19:09:50.263", "sourceIdentifier": "PSIRT@samsung.com"}