CVE-2024-1975

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2024-07-23. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 7.5Exploit: NoneExposed: 0

A fix is available — apply it.

If a server hosts a zone containing a "KEY" Resource Record, or a resolver DNSSEC-validates a "KEY" Resource Record from a DNSSEC-signed domain in cache, a client can exhaust resolver CPU resources by sending a stream of SIG(0) signed requests. This issue affects BIND 9 versions 9.0.0 through 9.11.37, 9.16.0 through 9.16.50, 9.18.0 through 9.18.27, 9.19.0 through 9.19.24, 9.9.3-S1 through 9.11.37-S1, 9.16.8-S1 through 9.16.49-S1, and 9.18.11-S1 through 9.18.27-S1.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
79.6%
KEV
Not listed

Published

July 23, 2024

Last Modified

April 15, 2026

References (6)

Vendor Advisories for CVE-2024-1975(6)

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

Patch Availability(21)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntulwresd (1:9.10.3.dfsg.P4-8ubuntu1.19+esm9) @ xenial2026-05-22ubuntu
ubuntudnsutils (1:9.18.28-0ubuntu0.24.04.1) @ noble2026-05-22ubuntu
ubuntuliblwres160 (1:9.11.3+dfsg-1ubuntu1.19+esm4) @ bionic2026-05-22ubuntu
redhatrhcos-412.86.202409111316-02024-09-18redhat
redhatrhcos-414.92.202409041930-02024-09-11redhat
redhatrhcos-415.92.202408271217-02024-09-05redhat
redhatrhcos-413.92.202408270922-02024-09-04redhat
redhatrhcos-416.94.202408260940-02024-09-03redhat
redhatbind-32:9.11.4-26.P2.el7_9.172024-08-28redhat
redhatbind-dyndb-ldap-0:11.9-7.el9_0.32024-08-27redhat
redhatbind-32:9.11.36-3.el8_6.92024-08-27redhat
redhatbind-32:9.11.4-9.P2.el7_7.72024-08-27redhat
redhatbind-32:9.11.26-4.el8_4.62024-08-26redhat
redhatbind-32:9.11.36-8.el8_8.62024-08-26redhat
redhatbind-dyndb-ldap-0:11.9-8.el9_2.32024-08-26redhat
redhatbind-32:9.11.13-6.el8_2.92024-08-20redhat
redhatbind9.16-32:9.16.23-0.14.el8_8.52024-08-19redhat
redhatbind-32:9.11.36-16.el8_10.22024-08-19redhat
redhatbind-dyndb-ldap-0:11.9-10.el9_42024-08-15redhat
redhatbind9.16-32:9.16.23-0.7.el8_6.62024-08-15redhat
redhatbind9.16-32:9.16.23-0.22.el8_102024-08-14redhat

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

(16)

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 8× in last 7d / 44× 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.

Showing the most recent 100 of 106 total refreshes for this CVE.

  1. 2026-07-11 08:26 UTCEPSS rescore
  2. 2026-07-11 03:11 UTCOSV refresh
  3. 2026-07-09 19:09 UTCEPSS rescore
  4. 2026-07-08 15:13 UTCEPSS rescore
  5. 2026-07-07 13:45 UTCEPSS rescore
  6. 2026-07-07 13:45 UTCEPSS rescore
  7. 2026-07-06 16:26 UTCEPSS rescore
  8. 2026-07-05 02:29 UTCEPSS rescore
  9. 2026-07-04 06:30 UTCEPSS rescore
  10. 2026-07-04 06:30 UTCEPSS rescore
  11. 2026-07-01 15:05 UTCEPSS rescore
  12. 2026-06-30 23:21 UTCEPSS rescore
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  14. 2026-06-29 14:05 UTCEPSS rescore
  15. 2026-06-28 14:06 UTCEPSS rescore
  16. 2026-06-28 14:06 UTCEPSS rescore
  17. 2026-06-28 04:55 UTCEPSS rescore
  18. 2026-06-27 03:07 UTCEPSS rescore
  19. 2026-06-27 03:07 UTCEPSS rescore
  20. 2026-06-25 13:48 UTCEPSS rescore
  21. 2026-06-24 14:04 UTCEPSS rescore
  22. 2026-06-24 14:04 UTCEPSS rescore
  23. 2026-06-23 21:32 UTCEPSS rescore
  24. 2026-06-23 21:31 UTCEPSS rescore
  25. 2026-06-22 14:24 UTCEPSS rescore
Show 75 more
  1. 2026-06-22 14:24 UTCEPSS rescore
  2. 2026-06-22 10:32 UTCOSV refresh
  3. 2026-06-21 14:55 UTCEPSS rescore
  4. 2026-06-21 14:55 UTCEPSS rescore
  5. 2026-06-21 01:58 UTCEPSS rescore
  6. 2026-06-21 01:58 UTCEPSS rescore
  7. 2026-06-19 19:24 UTCEPSS rescore
  8. 2026-06-19 19:24 UTCEPSS rescore
  9. 2026-06-18 17:51 UTCEPSS rescore
  10. 2026-06-17 17:52 UTCEPSS rescore
  11. 2026-06-17 17:51 UTCEPSS rescore
  12. 2026-06-16 17:51 UTCEPSS rescore
  13. 2026-06-16 17:51 UTCEPSS rescore
  14. 2026-06-15 17:47 UTCEPSS rescore
  15. 2026-06-14 23:16 UTCEPSS rescore
  16. 2026-06-13 22:59 UTCEPSS rescore
  17. 2026-06-13 22:59 UTCEPSS rescore
  18. 2026-06-12 23:11 UTCEPSS rescore
  19. 2026-06-12 23:11 UTCEPSS rescore
  20. 2026-06-11 13:59 UTCEPSS rescore
  21. 2026-06-11 13:59 UTCEPSS rescore
  22. 2026-06-10 22:17 UTCEPSS rescore
  23. 2026-06-10 22:17 UTCEPSS rescore
  24. 2026-06-10 13:21 UTCEPSS rescore
  25. 2026-06-10 13:21 UTCEPSS rescore
  26. 2026-06-08 14:16 UTCEPSS rescore
  27. 2026-06-08 14:16 UTCEPSS rescore
  28. 2026-06-07 15:24 UTCEPSS rescore
  29. 2026-06-07 15:24 UTCEPSS rescore
  30. 2026-06-06 13:46 UTCEPSS rescore
  31. 2026-06-06 13:46 UTCEPSS rescore
  32. 2026-06-05 22:46 UTCEPSS rescore
  33. 2026-06-05 22:46 UTCEPSS rescore
  34. 2026-06-05 06:09 UTCEPSS rescore
  35. 2026-06-05 06:09 UTCEPSS rescore
  36. 2026-06-04 14:09 UTCOSV refresh
  37. 2026-06-04 13:11 UTCEPSS rescore
  38. 2026-06-04 13:11 UTCEPSS rescore
  39. 2026-06-04 13:11 UTCEPSS rescore
  40. 2026-06-02 20:12 UTCEPSS rescore
  41. 2026-06-02 20:12 UTCEPSS rescore
  42. 2026-06-01 13:51 UTCEPSS rescore
  43. 2026-06-01 13:51 UTCEPSS rescore
  44. 2026-05-31 22:30 UTCEPSS rescore
  45. 2026-05-31 22:30 UTCEPSS rescore
  46. 2026-05-31 00:15 UTCEPSS rescore
  47. 2026-05-31 00:15 UTCEPSS rescore
  48. 2026-05-29 13:43 UTCEPSS rescore
  49. 2026-05-28 13:44 UTCEPSS rescore
  50. 2026-05-28 13:44 UTCEPSS rescore
  51. 2026-05-28 13:44 UTCEPSS rescore
  52. 2026-05-27 13:40 UTCEPSS rescore
  53. 2026-05-26 13:43 UTCEPSS rescore
  54. 2026-05-26 13:43 UTCEPSS rescore
  55. 2026-05-26 07:18 UTCEPSS rescore
  56. 2026-05-26 07:18 UTCEPSS rescore
  57. 2026-05-26 07:18 UTCEPSS rescore
  58. 2026-05-22 21:16 UTCEPSS rescore
  59. 2026-05-22 21:16 UTCEPSS rescore
  60. 2026-05-22 21:16 UTCEPSS rescore
  61. 2026-05-22 21:16 UTCEPSS rescore
  62. 2026-05-22 21:16 UTCEPSS rescore
  63. 2026-05-22 00:09 UTCEG score recompute
  64. 2026-05-22 00:09 UTCVendor advisory
  65. 2026-05-22 00:09 UTCGHSA enrichment
  66. 2026-05-21 22:42 UTCEPSS rescore
  67. 2026-05-20 22:37 UTCEPSS rescore
  68. 2026-05-20 22:37 UTCEPSS rescore
  69. 2026-05-20 22:37 UTCEPSS rescore
  70. 2026-05-20 22:37 UTCEPSS rescore
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  72. 2026-05-20 11:21 UTCEPSS rescore
  73. 2026-05-20 11:21 UTCEPSS rescore
  74. 2026-05-20 11:21 UTCEPSS rescore
  75. 2026-05-20 11:21 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2024-1975?
CVE-2024-1975 is a high vulnerability published on July 23, 2024. If a server hosts a zone containing a "KEY" Resource Record, or a resolver DNSSEC-validates a "KEY" Resource Record from a DNSSEC-signed domain in cache, a client can exhaust resolver CPU resources by sending a stream of SIG(0) signed requests. This issue affects BIND 9 versions 9.0.0 through…
When was CVE-2024-1975 disclosed?
CVE-2024-1975 was first published in the National Vulnerability Database on July 23, 2024, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-1975 actively exploited?
CVE-2024-1975 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 79.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-1975?
CVE-2024-1975 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2024-1975?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-1975, 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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