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CVE-2004-0434

k5admind (kadmind) for Heimdal allows remote attackers to execute arbitrary code via a Kerberos 4...

9.8 CriticalFix available

CVE-2004-0434 is a critical vulnerability (CVSS 9.8) in Heimdal Project Heimdal, published May 12, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 7.16%, the 94th percentile. Fixed in heimdal 0.6.2-1.

What does this mean?
Severity
9.8 CriticalCVSS 3.1, NVD
Exploit chance
7.16%EPSS, 94th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
0.6.2-1heimdal +3 more

Description

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

7.16%Down 0.6 points since Feb 4, 2022
90%50%10%1%

Affected products

Affected packages

Affected packages
PackageAffectedFixed
heimdal
Debian:12
before 0.6.2-1
0.6.2-1
heimdal
Debian:13
before 0.6.2-1
0.6.2-1
heimdal
Debian:14
before 0.6.2-1
0.6.2-1
heimdal
Debian:3.0
before 0.4e-7.woody.9, plus listed versions
0.2l-70.2l-7.60.4e-7.woody.10.4e-7.woody.8
0.4e-7.woody.9

What each source reports

NVD Score used9.8

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.

Record
CVE-2004-0434
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness
CWE-131
Updated
2026-11-02
CVE ListNo score

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.

Record
CVE-2004-0434
Updated
2026-11-02
EUVDEUVD-2004-0433No score

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.

Record
EUVD-2004-0433
Updated
2026-11-03
GitHub AdvisoriesGHSA-7p2h-6h3x-44v5No score

k5admind (kadmind) for Heimdal allows remote attackers to execute arbitrary code via a Kerberos 4...

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.

Record
GHSA-7p2h-6h3x-44v5
Weakness
CWE-787
Updated
2026-11-02
OSV9.8

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.

Record
CVE-2004-0434
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2004-04349.8

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.

Record
DEBIAN-CVE-2004-0434
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

History

History
RecordedChangedSources
facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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