Microsoft security update for CVE-2025-61100
🔗 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-2025-61100. This page also shows what EchelonGraph holds for CVE-2025-61100, 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 frr 9.1.1-3 on Azure Linux 3.0
- azl3 frr 9.1.1-4 on Azure Linux 3.0
- azl3 frr 9.1.1-5 on Azure Linux 3.0
- cbl2 frr 8.5.5-3 on CBL Mariner 2.0
- cbl2 frr 8.5.5-4 on CBL Mariner 2.0
- cbl2 frr 8.5.5-5 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 | 8.5.5-5 |
| — | Security Update | 9.1.1-5 |
🧭 EchelonGraph on CVE-2025-61100
- EchelonGraph score
- 7.5 HIGH
- 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
FRRouting/frr from v2.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the ospf_opaque_lsa_dump function at ospf_opaque.c. This vulnerability allows attackers to cause a Denial of Service (DoS) under specific malformed LSA conditions.
Published by MITRE Corporation, the CVE Numbering Authority that assigned CVE-2025-61100, 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).