| Package | Affected versions | Patched versions |
|---|---|---|
| kerberos 5 | = 1.11= 1.11.1= 1.11.2= 1.11.3 |
do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.11 before 1.11.4, when a single-component realm name is used, allows remote authenticated users to cause a denial of service (daemon crash) via a TGS-REQ request that triggers an attempted cross-realm referral for a host-based service principal.
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