{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-86314", "assignerOrgId": "ca193ba2-0cff-4e34-b04e-1ea07103c6fe", "state": "PUBLISHED", "assignerShortName": "samsung.tv_appliance", "dateReserved": "2026-09-07T02:12:49.429Z", "datePublished": "2026-09-07T02:22:42.210Z", "dateUpdated": "2026-09-07T02:22:42.210Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "ca193ba2-0cff-4e34-b04e-1ea07103c6fe", "shortName": "samsung.tv_appliance", "dateUpdated": "2026-09-07T02:22:42.210Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-190", "description": "CWE-190 Integer overflow or wraparound", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-92", "descriptions": [{"lang": "en", "value": "CAPEC-92 Forced Integer Overflow"}]}], "affected": [{"vendor": "Samsung Opensource", "product": "Walrus", "versions": [{"status": "affected", "version": "ff3bf5ff5c4878f8e5572c9593d303f6bc997443"}], "defaultStatus": "unaffected"}], "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.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Integer overflow in the source-bounds check in <code>Memory::init()</code> (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<p>This issue affects Walrus: ff3bf5ff5c4878f8e5572c9593d303f6bc997443.</p>"}]}], "references": [{"url": "https://github.com/Samsung/walrus/pull/482"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseSeverity": "MEDIUM", "baseScore": 6.2, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}}], "credits": [{"lang": "en", "value": "Ezinne Kalu", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Walrus", "vendor": "Samsung Opensource", "versions": [{"status": "affected", "version": "ff3bf5ff5c4878f8e5572c9593d303f6bc997443"}]}], "source": "PSIRT@samsung.com"}], "cveTags": [], "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."}], "id": "CVE-2026-86314", "lastModified": "2026-09-07T03:17:19.530", "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": "2026-09-07T03:17:19.530", "references": [{"source": "PSIRT@samsung.com", "url": "https://github.com/Samsung/walrus/pull/482"}], "sourceIdentifier": "PSIRT@samsung.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-190"}], "source": "PSIRT@samsung.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "ff3bf5ff5c4878f8e5572c9593d303f6bc997443"}}], "enrichment": {"confidence": 98.0, "confidence_source": "matching", "scores": [{"score": 98.0, "source": "matching"}]}, "original": {"product": "Walrus", "source": "cna", "vendor": "Samsung Opensource"}, "product": "walrus", "vendor": "samsung_open_source"}], "created": "2026-09-07T03:30:16.124136+00:00", "title": "Integer Overflow in Walrus Memory::init() Enables Out-of-Bounds Heap Read and Denial of Service", "updated": "2026-09-07T04:30:17.355971+00:00", "vendors": ["samsung_open_source", "samsung_open_source$PRODUCT$walrus"]}