CVE-2009-0844

Name: CVE-2009-0844
Creator: NVD / NIST
Published: 2009-04-09T00:30:00.25+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 4.32%

Last modified Jun 16, 2026

CVE-2009-0844 is a vulnerability of currently unknown severity. The get_input_token function in the SPNEGO implementation in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3 allows remote attackers to cause a denial of service (daemon crash) and possibly obtain sensitive information via a crafted length value that triggers a buffer over-read.. EPSS estimates a 4.32% chance of exploitation in the next 30 days.

Description

The get_input_token function in the SPNEGO implementation in MIT Kerberos 5 (aka krb5) 1.5 through 1.6.3 allows remote attackers to cause a denial of service (daemon crash) and possibly obtain sensitive information via a crafted length value that triggers a buffer over-read.

Metrics

EPSS Probability

4.32%

89.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions
Mit	Kerberos	5-1.6.3
Mit	Kerberos 5	All versions
Mit	Kerberos 5	1.5
Mit	Kerberos 5	1.5.1
Mit	Kerberos 5	1.5.2
Mit	Kerberos 5	1.5.3
Mit	Kerberos 5	1.6
Mit	Kerberos 5	1.6.1
Mit	Kerberos 5	1.6.2

References

Timeline

Published: Apr 9, 2009
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2009-0844?

How severe is CVE-2009-0844?

Severity scoring for CVE-2009-0844 is pending analysis. The EPSS model estimates a 4.32% probability of exploitation in the next 30 days.

How do I fix CVE-2009-0844?

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.

How Strix Helps

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Source: NVD / NIST