High severity7.5NVD Advisory· Published Oct 22, 2025· Updated Apr 15, 2026

CVE-2025-8677

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.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.openwall.com/lists/oss-security/2025/10/22/1nvd
kb.isc.org/docs/cve-2025-8677nvd

News mentions

No linked articles in our index yet.

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