MEDIUM 6.5 NVD

CVE-2026-112318

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(),

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.

References

https://access.redhat.com/security/cve/CVE-2026-112318
https://bugzilla.redhat.com/show_bug.cgi?id=2478792

Published: 2026-11-09 · Source: NVD · Feed updated: 2026-11-10

This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-11-09 via NVD.

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