Microsoft security update for CVE-2025-66382
🔗 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-2025-66382. This page also shows what EchelonGraph holds for CVE-2025-66382, 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 products8
- azl3 expat 2.6.4-2 on Azure Linux 3.0
- azl3 expat 2.6.4-4 on Azure Linux 3.0
- azl3 expat 2.6.4-5 on Azure Linux 3.0
- azl3 expat 2.6.4-6 on Azure Linux 3.0
- cbl2 expat 2.6.4-2 on CBL Mariner 2.0
- cbl2 expat 2.6.4-3 on CBL Mariner 2.0
- cbl2 expat 2.6.4-4 on CBL Mariner 2.0
- cbl2 expat 2.6.4-4 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 | 2.8.2-1 |
| — | Security Update | — |
🧭 EchelonGraph on CVE-2025-66382
- EchelonGraph score
- 5.5 MEDIUM
- 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 libexpat through 2.7.3, a crafted file with an approximate size of 2 MiB can lead to dozens of seconds of processing time.
Published by MITRE Corporation, the CVE Numbering Authority that assigned CVE-2025-66382, 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).