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CVE-2025-8677

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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:098ed60c9a41cb373ca3a5499de761916a1978227c6c013e1907d086f392beb9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"defaultStatus":"unaffected","product":"BIND 9","vendor":"ISC","versions":[{"lessThanOrEqual":"9.18.39","status":"affected","version":"9.18.0","versionType":"custom"},{"lessThanOrEqual":"9.20.13","status":"affected","version":"9.20.0","versionType":"custom"},{"lessThanOrEqual":"9.21.12","status":"affected","version":"9.21.0","versionType":"custom"},{"lessThanOrEqual":"9.18.39-S1","status":"affected","version":"9.18.11-S1","versionType":"custom"},{"lessThanOrEqual":"9.20.13-S1","status":"affected","version":"9.20.9-S1","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:39e395c62aa6b8e47b1f7e776314e96fc7829c2ec90db4c4332f658043bb589b · sha256:0ec3cba325535bcf… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:39e395c62aa6b8e47b1f7e776314e96fc7829c2ec90db4c4332f658043bb589b · sha256:0ec3cba325535bcf… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-405","description":"CWE-405 Asymmetric Resource Consumption (Amplification)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:39e395c62aa6b8e47b1f7e776314e96fc7829c2ec90db4c4332f658043bb589b · sha256:0ec3cba325535bcf… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"url":"http://www.openwall.com/lists/oss-security/2025/10/22/1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:39e395c62aa6b8e47b1f7e776314e96fc7829c2ec90db4c4332f658043bb589b · sha256:0ec3cba325535bcf… · /containers/adp/1/references/0
{"name":"CVE-2025-8677","tags":["vendor-advisory"],"url":"https://kb.isc.org/docs/cve-2025-8677"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:39e395c62aa6b8e47b1f7e776314e96fc7829c2ec90db4c4332f658043bb589b · sha256:0ec3cba325535bcf… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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