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CVE-2024-58382— league/commonmark before 2.6.0 Denial of Service via Quadratic Complexity

Quick assessment

Affected
thephpleague commonmark
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

The League of Extraordinary Packages league/commonmark是The League of Extraordinary Packages组织开源的一款Markdown解析组件。 The League of Extraordinary Packages league/commonmark 2.6.0之前版本存在资源管理错误漏洞，该漏洞源于Markdown解析存在多项式时间复杂度问题，攻击者可提交特制Markdown输入触发最坏情况性能，并通过并行发送多个请求耗尽

CVSS 7.5 · High EPSS 0.28% · P19

Affected Version Matrix 2

VendorProduct Version RangeStatus
thephpleague commonmark < 2.6.0 affected
2.6.0 unaffected
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I. Basic Information for CVE-2024-58382

Vulnerability Information
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Vulnerability Title
league/commonmark before 2.6.0 Denial of Service via Quadratic Complexity
Source: CVE Program / CVE List V5
Vulnerability Description
league/commonmark versions before 2.6.0 contain polynomial time complexity vulnerabilities in Markdown parsing that allow attackers to cause denial of service. Attackers can submit carefully crafted Markdown inputs designed to trigger worst-case performance, and sending multiple requests in parallel exhausts CPU resources and PHP-FPM processes.
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
算法复杂性
Source: CVE Program / CVE List V5
Vulnerability Title
The League of Extraordinary Packages league/commonmark 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
The League of Extraordinary Packages league/commonmark是The League of Extraordinary Packages组织开源的一款Markdown解析组件。 The League of Extraordinary Packages league/commonmark 2.6.0之前版本存在资源管理错误漏洞，该漏洞源于Markdown解析存在多项式时间复杂度问题，攻击者可提交特制Markdown输入触发最坏情况性能，并通过并行发送多个请求耗尽
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
thephpleague commonmark 0 ~ 2.6.0 -

II. Public POCs for CVE-2024-58382

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III. Intelligence Information for CVE-2024-58382

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Vendor Advisories for CVE-2024-58382 (2)

IV. Related Vulnerabilities

Same product: commonmark
Same vendor: thephpleague
Same weakness: CWE-407

V. Comments for CVE-2024-58382

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