CVE-2014-5354

What it is

plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c in MIT Kerberos 5 (aka krb5) 1.12.x and 1.13.x before 1.13.1, when the KDC uses LDAP, allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by creating a database entry for a keyless principal, as demonstrated by a kadmin "add_principal -nokey" or "purgekeys -all" command.

At a glance

Exploitability

Can be exploited over the network with a login. Limited direct impact.

Exploit odds

1.7% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2014-12-16 23:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:11 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 1.7% in the next 30 days (EPSS).
• Severity: 3.5 LOW (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2014-12-16 23:59 UTC

Last modified

2026-06-17 00:11 UTC

Exploit probability

1.7% · EPSS, next 30 days

Record status

Modified

Affected

• Mit Kerberos 5_1.13
• Mit Kerberos 5 1.12
• Mit Kerberos 5 1.12.1
• Mit Kerberos 5 1.12.2

Attack profile CVSS 2.0 · 3.5

Attack vector

Network

Complexity

Medium

Authentication

Single

Confidentiality

None

Integrity

None

Availability

Partial

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

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