Improper Check for Unusual or Exceptional Conditions Affecting gnupg package, versions [,2.4.8)[2.5.0,2.5.5)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UNMANAGED-GNUPG-9486543
- published20 Mar 2025
- disclosed19 Mar 2025
- creditUnknown
Introduced: 19 Mar 2025
CVE-2025-30258 (opens in a new tab)How to fix?
Upgrade gnupg to version 2.4.8, 2.5.5 or higher.
Overview
Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions when importing a certificate with malicious data that either lacks a valid backsig or has incorrect usage flags. An attacker can disrupt the ability to verify signatures from certain other signing keys.