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Multiple Vendor DNS Message Decompression Remote Denial of Service Vulnerability

Solution:

The following versions are not affected by this issue; users are advised to upgrade:

- DeleGate 8.10.3 and subsequent versions.
- dnrd 2.18 and subsequent versions.
- PowerDNS 2.9.17.

Cisco has released advisory cisco-sn-20050524-dns to address this issue. Please see the referenced advisory for further information on obtaining fixes.