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{"cveTags": [], "descriptions": [{"lang": "en", "value": "NULL pointer dereference vulnerability in Samsung Open Source Walrus allows an attacker to cause a denial of service via a crafted WebAssembly module containing deeply nested instructions.\n\nThis issue affects Walrus: f339b8ee4ea701772e8ae640b3d1b12ac02b1ae9."}], "id": "CVE-2026-47307", "lastModified": "2026-05-19T04:16:31.317", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "PSIRT@samsung.com", "type": "Secondary"}]}, "published": "2026-05-19T04:16:31.317", "references": [{"source": "PSIRT@samsung.com", "url": "https://github.com/Samsung/walrus/pull/409"}], "sourceIdentifier": "PSIRT@samsung.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "PSIRT@samsung.com", "type": "Secondary"}]}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "f339b8ee4ea701772e8ae640b3d1b12ac02b1ae9"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "walrus", "vendor": "samsung_open_source"}], "created": "2026-05-19T05:00:11.086500+00:00", "title": "Denial of Service via Deeply Nested WebAssembly Module in Walrus", "updated": "2026-05-19T08:18:32.512230+00:00", "vendors": ["samsung_open_source", "samsung_open_source$PRODUCT$walrus"]}