CVE-2025-58181 Affecting google-guest-agent package, versions <20250116.00-0ubuntu1~20.04.0+esm2


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.56% (45th percentile)

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  • Snyk IDSNYK-UBUNTU2004-GOOGLEGUESTAGENT-14082436
  • published17 Jan 2026
  • disclosed19 Nov 2025

Introduced: 19 Nov 2025

CVE-2025-58181  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 google-guest-agent to version 20250116.00-0ubuntu1~20.04.0+esm2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream google-guest-agent package and not the google-guest-agent package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

SSH servers parsing GSSAPI authentication requests do not validate the number of mechanisms specified in the request, allowing an attacker to cause unbounded memory consumption.

CVSS Base Scores

version 3.1