NULL pointer dereference in Samsung Walrus WebAssembly module

Publication date: 2026-05-19

Last updated on: 2026-06-02

Assigner: Samsung TV & Appliance

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.

CVSS Scores

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Meta Information

Published

2026-05-19

Last Modified

2026-06-02

Generated

2026-06-30

AI Q&A

2026-05-19

EPSS Evaluated

2026-06-28

NVD

CVE-2026-47307

EUVD

EUVD-2026-30823

Affected Vendors & Products

Vendor	Product	Version / Range
samsung	walrus	2026-04-27

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-476	The product dereferences a pointer that it expects to be valid but is NULL.

Attack-Flow Graph

Executive Summary

This vulnerability is a NULL pointer dereference in Samsung Open Source Walrus. It allows an attacker to cause a denial of service by using a specially crafted WebAssembly module that contains deeply nested instructions.

Impact Analysis

The impact of this vulnerability is a denial of service (DoS), which means an attacker can cause the affected system to crash or become unavailable by exploiting the NULL pointer dereference with a crafted WebAssembly module.

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