CVE-2011-1530

Name: CVE-2011-1530
Creator: NVD / NIST
Published: 2011-12-08T20:55:00.827+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 2.47%

Last modified Jun 16, 2026

CVE-2011-1530 is a vulnerability of currently unknown severity. The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error.. EPSS estimates a 2.47% chance of exploitation in the next 30 days.

Description

The process_tgs_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.9 through 1.9.2 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS request that triggers an error other than the KRB5_KDB_NOENTRY error.

Metrics

EPSS Probability

2.47%

82.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-399

Affected Software

Vendor	Product	Versions
Mit	Mit Kerberos	5.1.9
Mit	Mit Kerberos	5.1.9.1
Mit	Mit Kerberos	5.1.9.2

References

Timeline

Published: Dec 8, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-1530?

How severe is CVE-2011-1530?

Severity scoring for CVE-2011-1530 is pending analysis. The EPSS model estimates a 2.47% probability of exploitation in the next 30 days.

How do I fix CVE-2011-1530?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-1530?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST