漏洞信息
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Vulnerability Title
linkify-it: Quadratic algorithmic complexity in LinkifyIt#match scan loop
Vulnerability Description
linkify-it is a links recognition library with full Unicode support. Prior to 5.0.1, LinkifyIt.prototype.match, the package's primary public API, has O(N²) algorithmic complexity for inputs containing many fuzzy links or emails because the JavaScript-level scan loop re-slices input and re-runs unanchored regex searches on progressively shorter tails. Any service that synchronously renders untrusted Markdown with linkify:true on a request hot path can inherit a worker-process denial of service triggerable by a tens-of-KB request body. This issue is fixed in version 5.0.1.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Vulnerability Type
CWE-1333
Vulnerability Title
Markdown it linkify-it 资源管理错误漏洞
Vulnerability Description
Markdown it! linkify-it是Markdown it!组织开源的一款协议解析与链接识别工具。 Markdown it linkify-it 5.0.1之前版本存在资源管理错误漏洞,该漏洞源于JavaScript级扫描循环在包含大量模糊链接或电子邮件的输入上具有O(N²)算法复杂度,可能导致同步渲染不可信Markdown的服务遭受工作进程拒绝服务攻击。
CVSS Information
N/A
Vulnerability Type
N/A