CVE-2007-5972

CVE-2007-5972 is a critical-severity vulnerability in Mit Kerberos 5 with a CVSS 2.0 base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Description

Double free vulnerability in the krb5_def_store_mkey function in lib/kdb/kdb_default.c in MIT Kerberos 5 (krb5) 1.5 has unknown impact and remote authenticated attack vectors. NOTE: the free operations occur in code that stores the krb5kdc master key, and so the attacker must have privileges to store this key.

Frequently asked questions

What is CVE-2007-5972?
Double free vulnerability in the krb5_def_store_mkey function in lib/kdb/kdb_default.c in MIT Kerberos 5 (krb5) 1.5 has unknown impact and remote authenticated attack vectors. NOTE: the free operations occur in code that stores the krb5kdc master key, and so the attacker must have privileges to store this key.
How severe is CVE-2007-5972?
CVE-2007-5972 has a CVSS 2.0 base score of 9.0, rated critical severity.
Is CVE-2007-5972 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5972?
CVE-2007-5972 affects Mit Kerberos 5. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-5972?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2007-5972 published?
CVE-2007-5972 was published on 2007-12-06 and last updated on 2026-06-16.

References

Affected products (1)

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