CVE-2025-58189 Affecting k3d package, versions <5.8.3-r18


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.02% (4th percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-K3D-13811855
  • published3 Nov 2025
  • disclosed29 Oct 2025

Introduced: 29 Oct 2025

CVE-2025-58189  (opens in a new tab)

How to fix?

Upgrade Chainguard k3d to version 5.8.3-r18 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream k3d package and not the k3d package as distributed by Chainguard. See How to fix? for Chainguard 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