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CVE-2005-1174

MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to...

5.0 MediumFix available

MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection that causes a free of unallocated memory.

Exploit likelihood

5.22%Up 0.9 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 5.0

MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection that causes a free of unallocated memory.

Record
CVE-2005-1174
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated
2026-11-02
CVE List No score

MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection that causes a free of unallocated memory.

Record
CVE-2005-1174
Updated
2026-11-02
EUVDEUVD-2005-1177 No score

MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection that causes a free of unallocated memory.

Record
EUVD-2005-1177
Updated
2026-11-03
GitHub AdvisoriesGHSA-33qx-rqvh-638r No score

MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to...

MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection that causes a free of unallocated memory.

Record
GHSA-33qx-rqvh-638r
Updated
2026-11-02
OSV No score

MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection that causes a free of unallocated memory.

Record
CVE-2005-1174
Updated
2026-11-02
OSVDEBIAN-CVE-2005-1174 No score

MIT Kerberos 5 (krb5) 1.3 through 1.4.1 Key Distribution Center (KDC) allows remote attackers to cause a denial of service (application crash) via a certain valid TCP connection that causes a free of unallocated memory.

Record
DEBIAN-CVE-2005-1174
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
krb5
Debian:12
 before 1.3.6-4
1.3.6-4
krb5
Debian:13
 before 1.3.6-4
1.3.6-4
krb5
Debian:14
 before 1.3.6-4
1.3.6-4
krb5
Debian:3.0
From an advisory covering 3 CVEs
 before 1.2.4-5woody10, plus listed versions
1.2.4-5woody61.2.4-5woody71.2.4-5woody8
1.2.4-5woody10
krb5
Debian:3.1
From an advisory covering 3 CVEs
 before 1.3.6-2sarge2, plus listed versions
1.3.6-21.3.6-2sarge1
1.3.6-2sarge2
krb5
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-libs
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-server
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
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Affected packages
PackageAffectedFixed
krb5-workstation
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-libs
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-server
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-workstation
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-libs
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-server
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-workstation
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-libs
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-server
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17
krb5-workstation
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:1.3.4-17
0:1.3.4-17

History

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

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

In short

CVE-2005-1174 is a medium vulnerability (CVSS 5.0) in Mit Kerberos 5, published July 16, 2005. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.22%, the 92nd percentile. Fixed in krb5 1.3.6-4.

References

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