PowerDNS before 2.9.18, when allowing recursion to a restricted range of IP addresses, does not properly handle questions from clients that are denied recursion, which could cause a blank out of answers to those clients that are allowed to use recursion.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Powerdns | Powerdns | 2.9.0 (including) | 2.9.0 (including) |
| Powerdns | Powerdns | 2.9.1 (including) | 2.9.1 (including) |
| Powerdns | Powerdns | 2.9.2 (including) | 2.9.2 (including) |
| Powerdns | Powerdns | 2.9.3a (including) | 2.9.3a (including) |
| Powerdns | Powerdns | 2.9.4 (including) | 2.9.4 (including) |
| Powerdns | Powerdns | 2.9.5 (including) | 2.9.5 (including) |
| Powerdns | Powerdns | 2.9.6 (including) | 2.9.6 (including) |
| Powerdns | Powerdns | 2.9.7 (including) | 2.9.7 (including) |
| Powerdns | Powerdns | 2.9.8 (including) | 2.9.8 (including) |
| Powerdns | Powerdns | 2.9.10 (including) | 2.9.10 (including) |
| Powerdns | Powerdns | 2.9.11 (including) | 2.9.11 (including) |
| Powerdns | Powerdns | 2.9.12 (including) | 2.9.12 (including) |
| Powerdns | Powerdns | 2.9.13 (including) | 2.9.13 (including) |
| Powerdns | Powerdns | 2.9.14 (including) | 2.9.14 (including) |
| Powerdns | Powerdns | 2.9.15 (including) | 2.9.15 (including) |
| Powerdns | Powerdns | 2.9.16 (including) | 2.9.16 (including) |
| Powerdns | Powerdns | 2.9.17 (including) | 2.9.17 (including) |
| Pdns | Ubuntu | dapper | * |
| Pdns | Ubuntu | devel | * |
| Pdns | Ubuntu | edgy | * |
| Pdns | Ubuntu | feisty | * |