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I. Basic Information for CVE-2025-66020
Vulnerability Information

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Vulnerability Title
Valibot has a ReDoS vulnerability in `EMOJI_REGEX`
Source: NVD (National Vulnerability Database)
Vulnerability Description
Valibot helps validate data using a schema. In versions from 0.31.0 to 1.1.0, the EMOJI_REGEX used in the emoji action is vulnerable to a Regular Expression Denial of Service (ReDoS) attack. A short, maliciously crafted string (e.g., <100 characters) can cause the regex engine to consume excessive CPU time (minutes), leading to a Denial of Service (DoS) for the application. This issue has been patched in version 1.2.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1333
Source: NVD (National Vulnerability Database)
Vulnerability Title
Valibot 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Valibot是Open Circle开源的一个用于结构化数据验证的库。 Valibot 0.31.0版本至1.1.0版本存在安全漏洞,该漏洞源于EMOJI_REGEX容易受到正则表达式拒绝服务攻击,可能导致应用程序拒绝服务。
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
VendorProductAffected VersionsCPESubscribe
open-circlevalibot >= 0.31.0, < 1.2.0 -
II. Public POCs for CVE-2025-66020
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III. Intelligence Information for CVE-2025-66020
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IV. Related Vulnerabilities
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