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CVE-2025-15411— WebAssembly wabt wasm-decompile InsertNode memory corruption

Quick assessment

Affected
WebAssembly wabt
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.

WebAssembly wabt是WebAssembly开源的一个WebAssembly二进制工具包。 WebAssembly wabt 1.0.39及之前版本存在缓冲区错误漏洞，该漏洞源于wasm-decompile组件文件/src/repro/wabt/bin/wasm-decompile中wabt::AST::InsertNode函数存在内存损坏，可能导致本地攻击。

CVSS 5.3 · Medium EPSS 0.20% · P10
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I. Basic Information for CVE-2025-15411

Vulnerability Information
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Vulnerability Title
WebAssembly wabt wasm-decompile InsertNode memory corruption
Source: CVE Program / CVE List V5
Vulnerability Description
A weakness has been identified in WebAssembly wabt up to 1.0.39. This vulnerability affects the function wabt::AST::InsertNode of the file /src/repro/wabt/bin/wasm-decompile of the component wasm-decompile. This manipulation causes memory corruption. It is possible to launch the attack on the local host. The exploit has been made available to the public and could be used for attacks. Unfortunately, the project has no active maintainer at the moment. In a reply to the issue report somebody recommended to the researcher to provide a PR himself.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
内存缓冲区边界内操作的限制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
WebAssembly wabt 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WebAssembly wabt是WebAssembly开源的一个WebAssembly二进制工具包。 WebAssembly wabt 1.0.39及之前版本存在缓冲区错误漏洞，该漏洞源于wasm-decompile组件文件/src/repro/wabt/bin/wasm-decompile中wabt::AST::InsertNode函数存在内存损坏，可能导致本地攻击。
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
WebAssembly wabt 1.0.0 cpe:2.3:a:webassembly:wabt:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2025-15411

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III. Intelligence Information for CVE-2025-15411

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Vendor Advisories for CVE-2025-15411 (3)

Other References for CVE-2025-15411 (2)

IV. Related Vulnerabilities

Same product: wabt
Same vendor: WebAssembly
Same weakness: CWE-119

V. Comments for CVE-2025-15411

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