Medium severity6.5NVD Advisory· Published Nov 9, 2026· Updated Nov 9, 2026

CVE-2026-112318

Description

The policy RPC stubs in kadmin/server/server_stubs.c in MIT Kerberos 5 (aka krb5) 1.5.3 and later do not reject a NULL policy name decoded by xdr_nullstring(), which allows remote authenticated users to cause a denial of service (kadmind crash via NULL pointer dereference) by sending a policy request with an empty policy name that reaches authorization checks or logging code.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

MIT Kerberos/krb5llm-fuzzy
Range: >=1.5.3

Patches

Vulnerability mechanics

References

access.redhat.com/security/cve/CVE-2026-112318nvd
bugzilla.redhat.com/show_bug.cginvd

News mentions

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cvss	0.423
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000