Microsoft security update for CVE-2025-30258
🔗 CVE IDs covered (1)
📋 Microsoft's advisory
EchelonGraph does not copy Microsoft's advisory page: its FAQ and remediation text are not shown here. Read the advisory on https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30258. This page also shows what EchelonGraph holds for CVE-2025-30258, with the description from its CVE record, which the CVE Numbering Authority that assigned the CVE wrote: for a CVE Microsoft assigned, often in the words of Microsoft's own advisory.
🎯 Affected products6
- azl3 gnupg2 2.4.7-1 on Azure Linux 3.0
- azl3 gnupg2 2.4.9-1 on Azure Linux 3.0
- azl3 gnupg2 2.4.9-2 on Azure Linux 3.0
- cbl2 gnupg2 2.4.0-2 on CBL Mariner 2.0
- cbl2 gnupg2 2.4.0-3 on CBL Mariner 2.0
- cbl2 gnupg2 2.4.0-3 on CBL-Mariner 2.0
✅ Updates Microsoft lists: 2 updates
2 rows: one per KB article or update, update type and fixed build. Their details are on Microsoft's advisory.
| KB article | Update | Fixed build |
|---|---|---|
| — | Security Update | — |
| — | Security Update | 2.4.8-1 |
🧭 EchelonGraph on CVE-2025-30258
- EchelonGraph score
- 2.7 LOW
- CISA KEV
- Not listed
- Fix status
- A fix is available — apply it.
Description from the CVE record (CVE.org), as published by its numbering authority
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."
Published by MITRE Corporation, the CVE Numbering Authority that assigned CVE-2025-30258, in its CVE record at CVE.org; reused under the CVE Program's Terms of Use (its licence and MITRE's copyright notice are in our Terms of Service).