CVE-2025-8677
Published: Oct 22, 2025
Modified: Nov 4, 2025
CVSS v3.1
7.5
Description
Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion. This issue affects BIND 9 versions 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1.
| Vendor | Product | Versions |
|---|---|---|
ISC | BIND 9 | affected 9.18.0 - <= 9.18.39affected 9.20.0 - <= 9.20.13affected 9.21.0 - <= 9.21.12affected 9.18.11-S1 - <= 9.18.39-S1affected 9.20.9-S1 - <= 9.20.13-S1 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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