CVE-2025-58189 Affecting gitlab-base-18.4 package, versions <18.4.2-r0


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.03% (8th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-MINIMOSLATEST-GITLABBASE184-13804553
  • published2 Nov 2025
  • disclosed29 Oct 2025

Introduced: 29 Oct 2025

NewCVE-2025-58189  (opens in a new tab)

How to fix?

Upgrade Minimos:latest gitlab-base-18.4 to version 18.4.2-r0 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream gitlab-base-18.4 package and not the gitlab-base-18.4 package as distributed by Minimos. See How to fix? for Minimos:latest relevant fixed versions and status.

When Conn.Handshake fails during ALPN negotiation the error contains attacker controlled information (the ALPN protocols sent by the client) which is not escaped.

CVSS Base Scores

version 3.1