A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol.
| Software | From | Fixed in |
|---|---|---|
| nic / knot_resolver | - | 4.1.0 |
| fedoraproject / fedora | 29 | 29.x |
| fedoraproject / fedora | 30 | 30.x |