What’s Vulnerable › Vulnerabilities
CVE-2025-8677: Resource exhaustion via malformed DNSKEY handling
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 10.7% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2025-10-22 · updated 2026-10-08
- Weakness: CWE-405
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.
Affected products
- ISC BIND: from 9.18.0 through 9.18.39; from 9.20.0 through 9.20.13; from 9.21.0 through 9.21.12; from 9.18.11-S1 through 9.18.39-S1; from 9.20.9-S1 through 9.20.13-S1
References
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