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I. Basic Information for CVE-2025-2256
Vulnerability Information

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Vulnerability Title
Improper Validation of Specified Quantity in Input in GitLab
Source: NVD (National Vulnerability Database)
Vulnerability Description
An issue has been discovered in GitLab CE/EE affecting all versions from 7.12 before 18.1.6, 18.2 before 18.2.6, and 18.3 before 18.3.2 that could have allowed unauthorized users to render the GitLab instance unresponsive to legitimate users by sending multiple concurrent large SAML responses.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1284
Source: NVD (National Vulnerability Database)
Vulnerability Title
GitLab CE和EE 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
GitLab Enterprise Edition(EE)和GitLab Community Edition(CE)都是美国GitLab公司的产品。GitLab Enterprise Edition是一套内容管理系统。GitLab Community Edition是一种社区版 GitLab 。 GitLab CE和EE 7.12版本至18.1.6之前版本、18.2版本至18.2.6之前版本和18.3版本至18.3.2之前版本存在安全漏洞,该漏洞源于未授权用户可通过发送多个并发大型SAML响应导致实例无响
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
GitLabGitLab 7.12 ~ 18.1.6 cpe:2.3:a:gitlab:gitlab:*:*:*:*:*:*:*:*
II. Public POCs for CVE-2025-2256
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III. Intelligence Information for CVE-2025-2256
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IV. Related Vulnerabilities
V. Comments for CVE-2025-2256

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