BIT-gitlab-2025-2256

vendorUSosv

Improper Validation of Specified Quantity in Input in GitLab

view advisory published 2025-09-16Licence: per source

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2025-2256US	—	0.53% (45th)	—	2025-09-12
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 t…

references

External citations — patches, advisories, analysis.

https://about.gitlab.com/releases/2025/09/10/patch-release-gitlab-18-3-2-released/ADVISORY
https://gitlab.com/gitlab-org/gitlab/-/issues/524633WEB
https://hackerone.com/reports/3019485WEB
https://nvd.nist.gov/vuln/detail/CVE-2025-2256WEB

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