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I. Basic Information for CVE-2025-6273
Vulnerability Information

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Vulnerability Title
WebAssembly wabt binary-reader-objdump.cc LogOpcode assertion
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability was found in WebAssembly wabt up to 1.0.37 and classified as problematic. This issue affects the function LogOpcode of the file src/binary-reader-objdump.cc. The manipulation leads to reachable assertion. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The code maintainer explains that this issue might not affect "real world wasm programs".
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
可达断言
Source: NVD (National Vulnerability Database)
Vulnerability Title
WebAssembly wabt 安全漏洞
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 1.0.37及之前版本存在安全漏洞,该漏洞源于文件src/binary-reader-objdump.cc中函数LogOpcode存在可达断言。
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
VendorProductAffected VersionsCPESubscribe
WebAssemblywabt 1.0.0 -
II. Public POCs for CVE-2025-6273
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III. Intelligence Information for CVE-2025-6273
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IV. Related Vulnerabilities
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