CVE-2025-8677

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2025-10-22. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Elevated
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 11%CVSS: 7.5Exploit: NoneExposed: 0

A fix is available — apply it.

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.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
95.4%
KEV
Not listed

Published

October 22, 2025

Last Modified

June 17, 2026

References (2)

Vendor Advisories for CVE-2025-8677(16)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(18)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntubind9-utils (1:9.20.11-1ubuntu2.1) @ questing2026-05-21ubuntu
ubuntudnsutils (1:9.18.30-0ubuntu0.20.04.2+esm1) @ focal2026-05-21ubuntu
redhatbind-32:9.16.23-40.el9_8.12026-05-19redhat
redhatbind-main-9.18.48-1.hum12026-04-07redhat
redhatrhcos-415.92.202601271320-02026-02-05redhat
redhatrhcos-414.92.202601191325-02026-01-30redhat
redhatrhcos-417.94.202601120213-02026-01-22redhat
redhatrhcos-4.19.9.6.202601130152-02026-01-22redhat
redhatrhcos-413.92.202601130113-02026-01-22redhat
redhatrhcos-418.94.202601071817-02026-01-15redhat
redhatrhcos-412.86.202601061735-02026-01-15redhat
redhatrhcos-416.94.202601071926-02026-01-15redhat
redhatrhcos-4.20.9.6.202601052146-02026-01-14redhat
redhatdiscovery/discovery-ui-rhel9:2.4.0-17636561522025-11-24redhat
redhatbind9.18-32:9.18.29-5.el9_7.22025-11-12redhat
redhatbind-32:9.18.33-10.el10_1.22025-11-11redhat
redhatbind9.18-32:9.18.29-4.el9_6.22025-11-10redhat
redhatbind-32:9.18.33-4.el10_0.22025-11-06redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(3)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 11× in last 7d / 41× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-16 17:02 UTCEPSS rescore
  2. 2026-07-16 17:02 UTCEPSS rescore
  3. 2026-07-15 16:57 UTCEPSS rescore
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  11. 2026-07-09 19:10 UTCEPSS rescore
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  14. 2026-07-05 02:30 UTCEPSS rescore
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  16. 2026-07-04 06:31 UTCEPSS rescore
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  18. 2026-07-01 15:06 UTCEPSS rescore
  19. 2026-06-30 23:22 UTCEPSS rescore
  20. 2026-06-30 23:22 UTCEPSS rescore
  21. 2026-06-29 14:06 UTCEPSS rescore
  22. 2026-06-29 14:06 UTCEPSS rescore
  23. 2026-06-28 04:56 UTCEPSS rescore
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  25. 2026-06-27 03:08 UTCEPSS rescore
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  1. 2026-06-25 13:49 UTCEPSS rescore
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  3. 2026-06-24 14:05 UTCEPSS rescore
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  5. 2026-06-23 21:32 UTCEPSS rescore
  6. 2026-06-22 14:25 UTCEPSS rescore
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  8. 2026-06-21 14:56 UTCEPSS rescore
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  10. 2026-06-21 01:59 UTCEPSS rescore
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  12. 2026-06-19 19:25 UTCEPSS rescore
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  14. 2026-06-18 17:52 UTCEPSS rescore
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  16. 2026-06-17 17:53 UTCEPSS rescore
  17. 2026-06-16 17:52 UTCEPSS rescore
  18. 2026-06-15 17:48 UTCEPSS rescore
  19. 2026-06-14 23:18 UTCEPSS rescore
  20. 2026-06-13 23:00 UTCEPSS rescore
  21. 2026-06-13 23:00 UTCEPSS rescore
  22. 2026-06-12 23:12 UTCEPSS rescore
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  24. 2026-06-11 14:00 UTCEPSS rescore
  25. 2026-06-10 22:18 UTCEPSS rescore
  26. 2026-06-10 13:22 UTCEPSS rescore
  27. 2026-06-08 14:17 UTCEPSS rescore
  28. 2026-06-08 14:17 UTCEPSS rescore
  29. 2026-06-07 15:24 UTCEPSS rescore
  30. 2026-06-07 15:24 UTCEPSS rescore
  31. 2026-06-06 13:47 UTCEPSS rescore
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  35. 2026-06-05 06:10 UTCEPSS rescore
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  37. 2026-06-04 13:12 UTCEPSS rescore
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  39. 2026-06-02 20:13 UTCEPSS rescore
  40. 2026-06-01 13:51 UTCEPSS rescore
  41. 2026-06-01 13:51 UTCEPSS rescore
  42. 2026-05-31 22:30 UTCEPSS rescore
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  44. 2026-05-31 00:16 UTCEPSS rescore
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  46. 2026-05-29 13:44 UTCEPSS rescore
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  48. 2026-05-28 13:44 UTCEPSS rescore
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  50. 2026-05-28 13:44 UTCEPSS rescore
  51. 2026-05-27 13:40 UTCEPSS rescore
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  61. 2026-05-24 16:58 UTCEPSS rescore
  62. 2026-05-22 21:16 UTCEPSS rescore
  63. 2026-05-22 21:16 UTCEPSS rescore
  64. 2026-05-21 22:43 UTCEPSS rescore
  65. 2026-05-21 05:59 UTCEG score recompute
  66. 2026-05-21 05:59 UTCVendor advisory
  67. 2026-05-21 05:59 UTCGHSA enrichment
  68. 2026-05-20 22:37 UTCEPSS rescore
  69. 2026-05-20 22:37 UTCEPSS rescore
  70. 2026-05-20 22:37 UTCEPSS rescore
  71. 2026-05-20 11:21 UTCEPSS rescore
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  73. 2026-05-20 11:21 UTCEPSS rescore
  74. 2026-05-18 21:31 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2025-8677?
CVE-2025-8677 is a high vulnerability published on October 22, 2025. 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.
When was CVE-2025-8677 disclosed?
CVE-2025-8677 was first published in the National Vulnerability Database on October 22, 2025, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-8677 actively exploited?
CVE-2025-8677 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 95.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-8677?
CVE-2025-8677 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2025-8677?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-8677, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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