CVE-2005-1689

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 55.2%, top 2% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 11%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

Double free vulnerability in the krb5_recvauth function in MIT Kerberos 5 (krb5) 1.4.1 and earlier allows remote attackers to execute arbitrary code via certain error conditions.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
95.4%
KEV
Not listed

Published

July 18, 2005

Last Modified

April 16, 2026

Advisory Details (3)

Auto-updated May 1, 2026
No patch confirmed yet.
generic

About Secunia Research | Flexera

http://secunia.com/advisories/17135
generic

About Secunia Research | Flexera

http://secunia.com/advisories/16041
generic

'MITKRB5-SA-2005-003: double-free in krb5_recvauth' - MARC

http://marc.info/?l=bugtraq&m=112119974704542&w=2

Patch Availability(3)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntukerberos4kth-clients () @ warty2026-05-20ubuntu
redhatkrb5-0:1.2.7-472005-07-12redhat
redhatkrb5-0:1.3.4-172005-07-12redhat

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.

All Vendor Advisories

(3)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

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

Frequently asked(5)

What is CVE-2005-1689?
CVE-2005-1689 is a critical vulnerability published on July 18, 2005. Double free vulnerability in the krb5_recvauth function in MIT Kerberos 5 (krb5) 1.4.1 and earlier allows remote attackers to execute arbitrary code via certain error conditions.
When was CVE-2005-1689 disclosed?
CVE-2005-1689 was first published in the National Vulnerability Database on July 18, 2005, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2005-1689 actively exploited?
CVE-2005-1689 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-2005-1689?
CVE-2005-1689 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2005-1689?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2005-1689, 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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