HIGH 7.5 Microsoft
CVE-2025-8677
Resource exhaustion via malformed DNSKEY handling
Microsoft Security Update 2025-Oct: Resource exhaustion via malformed DNSKEY handling
Affected Products
- azl3 bind 9.20.15-1 on Azure Linux 3.0
- cbl2 bind 9.16.50-2 on CBL Mariner 2.0
- azl3 bind 9.20.11-1 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-8677
- https://nvd.nist.gov/vuln/detail/CVE-2025-8677
This high severity vulnerability with a CVSS score of 7.5 was published on 2025-10-14 via Microsoft. EPSS score: 11.2% (top 4% of all CVEs by exploitation probability). Affected: azl3 bind 9.20.15-1 on Azure Linux 3.0, cbl2 bind 9.16.50-2 on CBL Mariner 2.0, azl3 bind 9.20.11-1 on Azure Linux 3.0.
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