CVE-2026-47307

Denial of Service via Deeply Nested WebAssembly Module in Walrus

Published May 19, 2026 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
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.

This issue affects Walrus: f339b8ee4ea701772e8ae640b3d1b12ac02b1ae9.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
First Time appeared Samsung
Samsung walrus
CPEs cpe:2.3:a:samsung:walrus:2026-04-27:*:*:*:*:*:*:*
Vendors & Products Samsung
Samsung walrus
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Samsung Open Source
Samsung Open Source walrus
Vendors & Products Samsung Open Source
Samsung Open Source walrus
Type Values Removed Values Added
Title Denial of Service via Deeply Nested WebAssembly Module in Walrus
Type Values Removed Values Added
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. This issue affects Walrus: f339b8ee4ea701772e8ae640b3d1b12ac02b1ae9.
Weaknesses CWE-476
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
samsung.tv_appliance
Published
Updated
May 19, 2026, 12:44 PM
Reserved
May 19, 2026, 2:40 AM
Status
Analyzed
Published
May 19, 2026, 4:16 AM
Modified
Jul 24, 2026, 12:10 PM