{"id":"CVE-2026-47307","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-47307","generatedAt":"2026-10-28T05:59:34.686Z","title":"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.","description":"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.","published":"2026-05-19T04:16:31.000Z","lastModified":"2026-07-24T12:10:00.000Z","status":"Analyzed","sourceIdentifier":"PSIRT@samsung.com","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-476"],"affected":["samsung/walrus"],"epss":{"score":0.00193,"percentile":0.08944,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.19%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/Samsung/walrus/pull/409","tags":["Issue Tracking","Patch"],"source":"PSIRT@samsung.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-47307","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}