CVE-2004-0434

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.8 under NVD CVSS v3. EPSS exploit probability: 22.4%, top 4% 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
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 7%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

k5admind (kadmind) for Heimdal allows remote attackers to execute arbitrary code via a Kerberos 4 compatibility administration request whose framing length is less than 2, which leads to a heap-based buffer overflow.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
93.5%
KEV
Not listed

Published

July 7, 2004

Last Modified

June 16, 2026

Advisory Details (4)

Auto-updated Jun 23, 2026
No patch confirmed yet.
generic

Heimdal: Kerberos 4 buffer overflow in kadmin (GLSA 200405-23) — Gentoo security

http://security.gentoo.org/glsa/glsa-200405-23.xml
generic

'Advisory: Heimdal kadmind version4 remote heap overflow' - MARC

http://marc.info/?l=bugtraq&m=108386148126457&w=2
generic

IBM X-Force Exchange

https://exchange.xforce.ibmcloud.com/vulnerabilities/16071
generic

Debian -- The Universal Operating System

http://www.debian.org/security/2004/dsa-504

Weakness Classification(1)

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

Data Freshness Timeline

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

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Frequently asked(5)

What is CVE-2004-0434?
CVE-2004-0434 is a critical vulnerability published on July 7, 2004. k5admind (kadmind) for Heimdal allows remote attackers to execute arbitrary code via a Kerberos 4 compatibility administration request whose framing length is less than 2, which leads to a heap-based buffer overflow.
When was CVE-2004-0434 disclosed?
CVE-2004-0434 was first published in the National Vulnerability Database on July 7, 2004, with the most recent update on June 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2004-0434 actively exploited?
CVE-2004-0434 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 93.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2004-0434?
CVE-2004-0434 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2004-0434?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2004-0434, 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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