{"id":"CVE-2025-8677","title":"Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion.\nThis 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.…","summary":"Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion.\nThis 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.…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-405"],"published":"2025-10-22","updated":"2026-10-08","sourceUpdated":"2026-10-08T11:10:00.250","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-8677","references":[{"url":"https://kb.isc.org/docs/cve-2025-8677","label":"security-officer@isc.org"},{"url":"http://www.openwall.com/lists/oss-security/2025/10/22/1","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.10737,"epssPercentile":0.95723,"ingestedAt":"2026-10-08T11:31:27.548Z","slug":"CVE-2025-8677","body":"## Overview\n\nQuerying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion.\nThis 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":41.3,"likelihood":2.1,"exploitation":0,"ransomware":0},"changes":[]}