| Package | Affected versions | Patched versions |
|---|---|---|
| kerberos | = 1.0= 1.2.2.beta1 | |
| kerberos 5 | = 1.0.6= 1.1= 1.1.1= 1.2= 1.2.1= 1.2.2= 1.2.3= 1.2.4= 1.2.5= 1.2.6= 1.2.7= 1.3 |
The Key Distribution Center (KDC) in Kerberos 5 (krb5) 1.2.7 and earlier allows remote, authenticated attackers to cause a denial of service (crash) on KDCs within the same realm using a certain protocol request that causes the KDC to corrupt its heap (aka "buffer underrun").
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