This update for unbound fixes the following issues: unbound was updated to 1.20.0: * A lot of bugfixes and added features. For a complete list take a look at the changelog located at: /usr/share/doc/packages/unbound/Changelog or https://www.nlnetlabs.nl/projects/unbound/download/ Some Noteworthy Changes: * Removed DLV. The DLV has been decommisioned since unbound 1.5.4 and has been advised to stop using it since. The use of dlv options displays a warning. * Remove EDNS lame procedure, do not re-query without EDNS after timeout. * Add DNS over HTTPS * libunbound has been upgraded to major version 8 Security Fixes: * CVE-2023-50387: DNSSEC verification complexity can be exploited to exhaust CPU resources and stall DNS resolvers. [bsc#1219823] * CVE-2023-50868: NSEC3 closest encloser proof can exhaust CPU. [bsc#1219826] * CVE-2022-30698: Novel "ghost domain names" attack by introducing subdomain delegations. [bsc#1202033] * CVE-2022-30699: Novel "ghost domain names" attack by updating almost expired delegation information. [bsc#1202031] * CVE-2022-3204: NRDelegation attack leads to uncontrolled resource consumption . [bsc#1203643] Packaging Changes: * Use prefixes instead of sudo in unbound.service * Remove no longer necessary BuildRequires: libfstrm-devel and libprotobuf-c- devel