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CVE-2024-4025— Inefficient Regular Expression Complexity in GitLab

Quick assessment

Affected
GitLab GitLab
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.

GitLab是美国GitLab公司的一个开源的端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD（持续集成和持续交付）等功能。 GitLab存在安全漏洞，该漏洞源于自定义 Markdown 页面处理正则表达式时输入验证不足,远程用户可以将特制数据传递给应用程序并执行正则表达式拒绝服务 (ReDos) 攻击。

CVSS 6.5 · Medium EPSS 0.54% · P44

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2024-4025

Vulnerability Information
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Vulnerability Title
Inefficient Regular Expression Complexity in GitLab
Source: CVE Program / CVE List V5
Vulnerability Description
A Denial of Service (DoS) condition has been discovered in GitLab CE/EE affecting all versions from 7.10 prior before 16.11.5, version 17.0 before 17.0.3, and 17.1 before 17.1.1. It is possible for an attacker to cause a denial of service using a crafted markdown page.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
GitLab 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab是美国GitLab公司的一个开源的端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD（持续集成和持续交付）等功能。 GitLab存在安全漏洞，该漏洞源于自定义 Markdown 页面处理正则表达式时输入验证不足,远程用户可以将特制数据传递给应用程序并执行正则表达式拒绝服务 (ReDos) 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

Vendor Product Affected Versions CPE Subscribe
GitLab GitLab 7.10 ~ 16.11.5 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2024-4025

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III. Intelligence Information for CVE-2024-4025

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Same Patch Batch · GitLab · 2025-06-20 · 6 CVEs total

CVE-2025-2443 8.7 HIGH Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Gi
CVE-2025-5121 8.5 HIGH Missing Authorization in GitLab
CVE-2024-4994 8.1 HIGH Cross-Site Request Forgery (CSRF) in GitLab
CVE-2024-7586 4.1 MEDIUM Insertion of Sensitive Information into Log File in GitLab
CVE-2023-5600 3.1 LOW Missing Authorization in GitLab

IV. Related Vulnerabilities

Same product: GitLab
Same vendor: GitLab
Same weakness: CWE-1333

V. Comments for CVE-2024-4025

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