CVE-2025-30258 Affecting gnupg package, versions <2.4.8-r1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.02% (3rd percentile)

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  • Snyk IDSNYK-CHAINGUARDLATEST-GNUPG-13287196
  • published5 Oct 2025
  • disclosed19 Mar 2025

Introduced: 19 Mar 2025

CVE-2025-30258  (opens in a new tab)

How to fix?

Upgrade Chainguard gnupg to version 2.4.8-r1 or higher.

NVD Description

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

In GnuPG before 2.5.5, if a user chooses to import a certificate with certain crafted subkey data that lacks a valid backsig or that has incorrect usage flags, the user loses the ability to verify signatures made from certain other signing keys, aka a "verification DoS."

CVSS Base Scores

version 3.1