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I. Basic Information for CVE-2025-58451
Vulnerability Information

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Vulnerability Title
Cattown Vulnerable to Inefficient Regular Expression Complexity and Uncontrolled Resource Consumption
Source: NVD (National Vulnerability Database)
Vulnerability Description
Cattown is a JavaScript markdown parser. Versions prior to 1.0.2 used regular expressions with inefficient, potentially exponential worst-case complexity. This could cause excessive CPU usage due to excessive backtracking on crafted inputs. In turn, the excessive CPU usage could lead to resource exhaustion, where processing malicious inputs could cause high CPU or memory usage, potentially leading to denial of service. Version 1.0.2 contains a patch. Additionally, users should review and restrict input sources if untrusted inputs are processed.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1333
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cattown 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cattown是IEatUranium238个人开发者的一个markdown文件解析器。 Cattown 1.0.2之前版本存在安全漏洞,该漏洞源于正则表达式存在拒绝服务攻击。
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
VendorProductAffected VersionsCPESubscribe
IEatUranium238Cattown < 1.0.2 -
II. Public POCs for CVE-2025-58451
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III. Intelligence Information for CVE-2025-58451
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