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Vulnerabilities

Vulnerability · CVE-2004-0434

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 le

Published Jul 7, 2004 · catalog updated Oct 21, 2026 · k5admind (kadmind) for Heimdal

Check if you run it

No confirmed exploitation is on record for CVE-2004-0434. EPSS is 7.16%. Act only if a listed version of k5admind (kadmind) for Heimdal is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (k5admind (kadmind) for Heimdal).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
7.16%
Remediation
Advisory link
Affected products
Debian:12 heimdal · Debian:13 heimdal · Debian:14 heimdal

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • Debian:12 heimdal0 → 0.6.2-1
  • Debian:13 heimdal0 → 0.6.2-1
  • Debian:14 heimdal0 → 0.6.2-1

How to fix CVE-2004-0434

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2004-0434. EPSS is 7.16%. Act only if a listed version of k5admind (kadmind) for Heimdal is installed.

Which versions are affected?

Compare what you have installed with 0 → 0.6.2-1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 7.16%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Debian security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 7, 2004 · OpenSSF OSV / OSV Scanner

    Detected

    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.

  2. Oct 21, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    heimdal fixed in 0.6.2-1; heimdal fixed in 0.6.2-1; heimdal fixed in 0.6.2-1

  3. Oct 21, 2026 · OpenSSF OSV / OSV Scanner

    Fix available

    heimdal fixed in 0.6.2-1

  4. Oct 21, 2026 · OpenSSF OSV / OSV Scanner

    Updated

    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.

  5. Oct 21, 2026 · Trivy Vulnerability DB

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2004-0434

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2004-0434

    30-day exploitation probability 7.16%

    first.org
  • OpenSSF OSV / OSV ScannerPackage advisoryDEBIAN-CVE-2004-0434
    osv.dev
  • Trivy Vulnerability DBPackage advisoryDEBIAN-CVE-2004-0434

    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.

    osv.dev

References

Freshness

Last verified in this catalog Oct 21, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.