Information Exposure Through Log Files Affecting ip-masq-agent package, versions <2.12.0-r14


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.01% (1st percentile)

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  • Snyk IDSNYK-WOLFILATEST-IPMASQAGENT-15391925
  • published4 Mar 2026
  • disclosed29 Oct 2025

Introduced: 29 Oct 2025

CVE-2025-58189  (opens in a new tab)
CWE-532  (opens in a new tab)

How to fix?

Upgrade Wolfi ip-masq-agent to version 2.12.0-r14 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ip-masq-agent package and not the ip-masq-agent package as distributed by Wolfi. See How to fix? for Wolfi 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