CVE-2026-47307 | BDVDB-2026-334048 Detail

Samsung Open SourceWalrus

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.

Impact#

CAPEC-230 Serialized Data with Nested Payloads

Weaknesses#

CWE-476 NULL Pointer Dereference

References#

https://github.com/Samsung/walrus/pull/409

Exploit#

No public exploit known

History#

Version 12026-05-19Record published in the CVE List.

Published

Published: 2026-05-19
Last modified: 2026-05-19

Vendor information

Vendor: Samsung Open Source
Product: Walrus

All Samsung Open Source vulnerabilities

Score

5.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 9.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Memory Corruption

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
f339b8ee4ea701772e8ae640b3d1b12ac02b1ae9
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.5 Medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Metric breakdown
Attack Vector	Local
Attack Complexity	Low
Privileges Required	None
User Interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity	None
Availability	High

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).