| Package | Affected versions | Patched versions |
|---|---|---|
| cygnus network security | = 4.0 | |
| kerbnet | = 5.0 | |
| kerberos | = 4.0 | |
| kerberos 5 | = 1.0= 1.1= 1.1.1 |
Kerberos 4 KDC program improperly frees memory twice (aka "double-free"), which allows remote attackers to cause a denial of service.
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