CVE-2026-86314

{"id": "CVE-2026-86314", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-86314", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-09-08T15:23:47.230905Z"}}], "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": "Walrus", "versions": [{"status": "affected", "version": "ff3bf5ff5c4878f8e5572c9593d303f6bc997443"}], "defaultStatus": "unaffected"}]}], "published": "2026-09-07T03:17:19.530", "references": [{"url": "https://github.com/Samsung/walrus/pull/482", "source": "PSIRT@samsung.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "PSIRT@samsung.com", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "Integer overflow in the source-bounds check in Memory::init() (src/runtime/Memory.cpp) in Samsung walrus on all platforms allows a remote attacker to cause an out-of-bounds heap read and denial of service via a crafted WebAssembly module in which a 32-bit unsigned addition wraps around and bypasses the bounds check.\n\n\n\nThis issue affects Walrus: ff3bf5ff5c4878f8e5572c9593d303f6bc997443."}], "lastModified": "2026-09-08T19:09:50.263", "sourceIdentifier": "PSIRT@samsung.com"}