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I. Basic Information for CVE-2026-34211
Vulnerability Information

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Vulnerability Title
SandboxJS: Stack overflow DoS via deeply nested expressions in recursive descent parser
Source: NVD (National Vulnerability Database)
Vulnerability Description
SandboxJS is a JavaScript sandboxing library. Prior to 0.8.36, the @nyariv/sandboxjs parser contains unbounded recursion in the restOfExp function and the lispify/lispifyExpr call chain. An attacker can crash any Node.js process that parses untrusted input by supplying deeply nested expressions (e.g., ~2000 nested parentheses), causing a RangeError: Maximum call stack size exceeded that terminates the process. This vulnerability is fixed in 0.8.36.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
未经控制的递归
Source: NVD (National Vulnerability Database)
Vulnerability Title
SandboxJS 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SandboxJS是nyariv个人开发者的一个安全评估软件。 SandboxJS 0.8.36之前版本存在安全漏洞,该漏洞源于解析器存在无限递归,可能导致进程崩溃。
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
nyarivSandboxJS < 0.8.36 -
II. Public POCs for CVE-2026-34211
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III. Intelligence Information for CVE-2026-34211
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IV. Related Vulnerabilities
V. Comments for CVE-2026-34211

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