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CVE-2026-47307

Quick assessment

Affected
Samsung Open Source Walrus
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

SAMSUNG Walrus是韩国三星（SAMSUNG）公司的一个WebAssembly运行时引擎。 SAMSUNG Walrus存在代码问题漏洞，该漏洞源于空指针取消引用，可能导致攻击者通过特制包含深度嵌套指令的WebAssembly模块造成拒绝服务。

CVSS 5.5 · Medium EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking

Affected Version Matrix 1

VendorProduct Version RangeStatus
Samsung Open Source Walrus f339b8ee4ea701772e8ae640b3d1b12ac02b1ae9 affected
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I. Basic Information for CVE-2026-47307

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
空指针解引用
Source: CVE Program / CVE List V5
Vulnerability Title
SAMSUNG Walrus 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SAMSUNG Walrus是韩国三星（SAMSUNG）公司的一个WebAssembly运行时引擎。 SAMSUNG Walrus存在代码问题漏洞，该漏洞源于空指针取消引用，可能导致攻击者通过特制包含深度嵌套指令的WebAssembly模块造成拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Samsung Open Source Walrus f339b8ee4ea701772e8ae640b3d1b12ac02b1ae9 -

II. Public POCs for CVE-2026-47307

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III. Intelligence Information for CVE-2026-47307

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Patches & Fixes for CVE-2026-47307 (1)

Same Patch Batch · Samsung Open Source · 2026-05-19 · 11 CVEs total

CVE-2026-47311 7.8 HIGH SAMSUNG Escargot 安全漏洞
CVE-2026-47310 7.8 HIGH Escargot 资源管理错误漏洞
CVE-2026-47314 7.8 HIGH Escargot 缓冲区错误漏洞
CVE-2026-47308 5.5 MEDIUM SAMSUNG Walrus 代码问题漏洞
CVE-2026-47309 5.5 MEDIUM SAMSUNG Escargot 安全漏洞
CVE-2026-47316 5.5 MEDIUM SAMSUNG Escargot 安全漏洞
CVE-2026-47313 5.5 MEDIUM SAMSUNG Escargot 安全漏洞
CVE-2026-47317 5.5 MEDIUM SAMSUNG Escargot 安全漏洞
CVE-2026-47315 5.5 MEDIUM SAMSUNG Escargot 代码问题漏洞
CVE-2026-47312 5.5 MEDIUM SAMSUNG Escargot 安全漏洞

IV. Related Vulnerabilities

Same product: Walrus
Same vendor: Samsung Open Source
Same weakness: CWE-476

V. Comments for CVE-2026-47307

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