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CVE-2024-45296— path-to-regexp outputs backtracking regular expressions

Quick assessment

Affected
pillarjs path-to-regexp
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Path-to-RegExp是pillarjs开源的一个工具。用于将路径字符串转换为正则表达式。 Path-to-RegExp存在安全漏洞，该漏洞源于回溯正则表达式可能导致拒绝服务。

CVSS 7.5 · High EPSS 0.93% · P60

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2024-45296

Vulnerability Information
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Vulnerability Title
path-to-regexp outputs backtracking regular expressions
Source: CVE Program / CVE List V5
Vulnerability Description
path-to-regexp turns path strings into a regular expressions. In certain cases, path-to-regexp will output a regular expression that can be exploited to cause poor performance. Because JavaScript is single threaded and regex matching runs on the main thread, poor performance will block the event loop and lead to a DoS. The bad regular expression is generated any time you have two parameters within a single segment, separated by something that is not a period (.). For users of 0.1, upgrade to 0.1.10. All other users should upgrade to 8.0.0.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1333
Source: CVE Program / CVE List V5
Vulnerability Title
Path-to-RegExp 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Path-to-RegExp是pillarjs开源的一个工具。用于将路径字符串转换为正则表达式。 Path-to-RegExp存在安全漏洞，该漏洞源于回溯正则表达式可能导致拒绝服务。
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

Vendor Product Affected Versions CPE Subscribe
pillarjs path-to-regexp < 0.1.10 -

II. Public POCs for CVE-2024-45296

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 7726 chars
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III. Intelligence Information for CVE-2024-45296

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Patches & Fixes for CVE-2024-45296 (2)

Vendor Advisories for CVE-2024-45296 (1)

IV. Related Vulnerabilities

Same product: path-to-regexp
Same vendor: pillarjs
Same weakness: CWE-1333

V. Comments for CVE-2024-45296

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