Improper Verification of Cryptographic Signature Affecting portage package, versions [,3.0.69)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

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  • Snyk IDSNYK-PYTHON-PORTAGE-13537509
  • published13 Oct 2025
  • disclosed2 Oct 2025
  • creditUnknown

Introduced: 2 Oct 2025

New CVE NOT AVAILABLE CWE-347  (opens in a new tab)

How to fix?

Upgrade portage to version 3.0.69 or higher.

Overview

portage is a Portage is the package management and distribution system for Gentoo

Affected versions of this package are vulnerable to Improper Verification of Cryptographic Signature in the check_file_signature_gpg_unwrapped() function. Due to the lack of enforcing of the presence of VALIDSIG and TRUST_ULTIMATE and trailing space requirements in "[GNUPG:] GOODSIG", GOODSIG/VALIDSIG/TRUST_NEVER or TRUST_UNDEFINED outputs cab be misinterpreted as a valid, ultimately trusted signature while validating repository snapshot signatures.

CVSS Base Scores

version 4.0
version 3.1