Medium severity5.3NVD Advisory· Published Nov 9, 2026· Updated Nov 9, 2026

CVE-2026-112317

Description

krb5_ktkdb_get_entry() in lib/kdb/keytab.c in MIT Kerberos 5 (aka krb5) 1.2.8 and later does not free decrypted key material when a post-decryption check fails, which allows remote attackers to cause a denial of service (memory leak in the KDC or kadmind) via requests that repeatedly trigger key decryption failures.

Affected products

Mit/Kerberos 5llm-fuzzy
Range: >=1.2.8
Mit/krb5llm-fuzzy
Range: >=1.2.8

Patches

Vulnerability mechanics

References

access.redhat.com/security/cve/CVE-2026-112317nvd
bugzilla.redhat.com/show_bug.cginvd

News mentions

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cvss	0.345
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000