| Package | Affected versions | Patched versions |
|---|---|---|
| kerberos | = 5-1.6.3 | |
| kerberos 5 | = 1.6= 1.6.1= 1.6.2= 1.7= 1.7.1= 1.8= 1.8.1= 1.8.2= 1.8.3= 1.9 |
The unparse implementation in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.6.x through 1.9, when an LDAP backend is used, allows remote attackers to cause a denial of service (file descriptor exhaustion and daemon hang) via a principal name that triggers use of a backslash escape sequence, as demonstrated by a \n sequence.
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