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I. Basic Information for CVE-2020-7661
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
all versions of url-regex are vulnerable to Regular Expression Denial of Service. An attacker providing a very long string in String.test can cause a Denial of Service.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
url-regex 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
url-regex是瑞典Kevin M?rtensson软件开发者的一款用于匹配URL的正则表达式库。 url-regex（全部版本）中存在安全漏洞。攻击者可借助String.test中较长的字符串利用该漏洞造成拒绝服务。
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
-url-regex all versions -
II. Public POCs for CVE-2020-7661
#POC DescriptionSource LinkShenlong Link
1Regular expression matching for URL's. Maintained, safe, and browser-friendly version of url-regex. Resolves CVE-2020-7661 for Node.js servers.https://github.com/spamscanner/url-regex-safePOC Details
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III. Intelligence Information for CVE-2020-7661
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IV. Related Vulnerabilities
Same product: url-regex
Same vendor: n/a
V. Comments for CVE-2020-7661

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