CVE-2022-30698

unbound: This update for unbound fixes the following issues: unbound was updated to 1.20.0: * A lot of bugfixes and added fe...

CVE-2022-30698 is fixed in 16 products on 1 platform, first by libunbound2 1.6.7-1ubuntu2.5, released August 1, 2022. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
6.5
Medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0116
67th percentile

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 (Non-Responsive Delegation Attack). [bsc#1203643] Packaging Changes: * Use prefixes instead of sudo in unbound.service * Remove no longer necessary BuildRequires: libfstrm-devel and libprotobuf-c-devel

Where it's fixed

ProductFixed inFixReleased
Linux
libunbound2 · Ubuntu 18.04.6 LTS (bionic) 1.6.7-1ubuntu2.5 libunbound2 1.6.7-1ubuntu2.5 Aug 1, 2022
libunbound8 · Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.3 libunbound8 1.9.4-2ubuntu1.3 Aug 1, 2022
libunbound8 · Ubuntu 22.04.1 LTS (jammy) 1.13.1-1ubuntu5.1 libunbound8 1.13.1-1ubuntu5.1 Aug 1, 2022
libunbound8 · Ubuntu 24.10 (oracular) 1.16.2-1 libunbound8 1.16.2-1 Jan 16, 2026
libunbound8 · Ubuntu 25.04 (plucky) 1.16.2-1 libunbound8 1.16.2-1 Jan 16, 2026
python-unbound · Ubuntu 18.04.6 LTS (bionic) 1.6.7-1ubuntu2.5 python-unbound 1.6.7-1ubuntu2.5 Aug 1, 2022
python-unbound · Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.3 python-unbound 1.9.4-2ubuntu1.3 Aug 1, 2022
python3-unbound · RHEL 8 0:1.16.2-2.el8 RHSA-2022:7622 Nov 8, 2022
python3-unbound · RHEL 9 0:1.16.2-2.el9 RHSA-2022:8062 Nov 15, 2022
python3-unbound · Ubuntu 18.04.6 LTS (bionic) 1.6.7-1ubuntu2.5 python3-unbound 1.6.7-1ubuntu2.5 Aug 1, 2022
python3-unbound · Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.3 python3-unbound 1.9.4-2ubuntu1.3 Aug 1, 2022
python3-unbound · Ubuntu 22.04.1 LTS (jammy) 1.13.1-1ubuntu5.1 python3-unbound 1.13.1-1ubuntu5.1 Aug 1, 2022
python3-unbound · Ubuntu 24.10 (oracular) 1.16.2-1 python3-unbound 1.16.2-1 Jan 16, 2026
python3-unbound · Ubuntu 25.04 (plucky) 1.16.2-1 python3-unbound 1.16.2-1 Jan 16, 2026
python3-unbound · almalinux 8 1.16.2-2.el8 ALSA-2022:7622 Nov 8, 2022
python3-unbound · almalinux 9 1.16.2-2.el9 ALSA-2022:8062 Nov 15, 2022
python3-unbound · amzn 2023 1.16.3-2.amzn2023.0.1 ALAS2023-2023-078 Feb 17, 2023
python3-unbound · ol 8 0:1.16.2-2.el8 ELSA-2022-7622 Nov 15, 2022
python3-unbound · ol 9 0:1.16.2-2.el9 ELSA-2022-8062 Nov 22, 2022
python3-unbound-debuginfo · amzn 2023 1.16.3-2.amzn2023.0.1 ALAS2023-2023-078 Feb 17, 2023
unbound · Debian 12.15 (bookworm) 1.16.2-1 DEBIAN-CVE-2022-30698 Aug 1, 2022
unbound · Debian 13.5 (trixie) 1.16.2-1 DEBIAN-CVE-2022-30698 Aug 1, 2022
unbound · Debian 14 1.16.2-1 DEBIAN-CVE-2022-30698 Aug 1, 2022
unbound · RHEL 8 0:1.16.2-2.el8 RHSA-2022:7622 Nov 8, 2022
unbound · RHEL 9 0:1.16.2-2.el9 RHSA-2022:8062 Nov 15, 2022
unbound · Ubuntu 18.04.6 LTS (bionic) 1.6.7-1ubuntu2.5 unbound 1.6.7-1ubuntu2.5 Aug 1, 2022
unbound · Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.3 unbound 1.9.4-2ubuntu1.3 Aug 1, 2022
unbound · Ubuntu 22.04.1 LTS (jammy) 1.13.1-1ubuntu5.1 unbound 1.13.1-1ubuntu5.1 Aug 1, 2022
unbound · Ubuntu 24.10 (oracular) 1.16.2-1 unbound 1.16.2-1 Jan 16, 2026
unbound · Ubuntu 25.04 (plucky) 1.16.2-1 unbound 1.16.2-1 Jan 16, 2026
unbound · almalinux 8 1.16.2-2.el8 ALSA-2022:7622 Nov 8, 2022
unbound · almalinux 9 1.16.2-2.el9 ALSA-2022:8062 Nov 15, 2022
unbound · amzn 2023 1.16.3-2.amzn2023.0.1 ALAS2023-2023-078 Feb 17, 2023
unbound · ol 8 0:1.16.2-2.el8 ELSA-2022-7622 Nov 15, 2022
unbound · ol 9 0:1.16.2-2.el9 ELSA-2022-8062 Nov 22, 2022
unbound · opensuse-leap 15.6 1.20.0-150600.23.3.1 SUSE-SU-2024:1923-1 Jun 4, 2024
unbound · rocky 8 0:1.16.2-2.el8 RLSA-2022:7622 Nov 8, 2022
unbound · rocky 9 0:1.16.2-2.el9 RLSA-2022:8062 Nov 15, 2022
unbound · sles 15.6 1.20.0-150600.23.3.1 SUSE-SU-2024:1923-1 Jun 4, 2024
unbound-anchor · Ubuntu 18.04.6 LTS (bionic) 1.6.7-1ubuntu2.5 unbound-anchor 1.6.7-1ubuntu2.5 Aug 1, 2022
unbound-anchor · Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.3 unbound-anchor 1.9.4-2ubuntu1.3 Aug 1, 2022
unbound-anchor · Ubuntu 22.04.1 LTS (jammy) 1.13.1-1ubuntu5.1 unbound-anchor 1.13.1-1ubuntu5.1 Aug 1, 2022
unbound-anchor · Ubuntu 24.10 (oracular) 1.16.2-1 unbound-anchor 1.16.2-1 Jan 16, 2026
unbound-anchor · Ubuntu 25.04 (plucky) 1.16.2-1 unbound-anchor 1.16.2-1 Jan 16, 2026
unbound-anchor · amzn 2023 1.16.3-2.amzn2023.0.1 ALAS2023-2023-078 Feb 17, 2023
unbound-anchor-debuginfo · amzn 2023 1.16.3-2.amzn2023.0.1 ALAS2023-2023-078 Feb 17, 2023
unbound-debuginfo · amzn 2023 1.16.3-2.amzn2023.0.1 ALAS2023-2023-078 Feb 17, 2023
unbound-debugsource · amzn 2023 1.16.3-2.amzn2023.0.1 ALAS2023-2023-078 Feb 17, 2023
unbound-devel · RHEL 8 0:1.16.2-2.el8 RHSA-2022:7622 Nov 8, 2022
unbound-devel · RHEL 9 0:1.16.2-2.el9 RHSA-2022:8062 Nov 15, 2022
unbound-devel · almalinux 8 1.16.2-2.el8 ALSA-2022:7622 Nov 8, 2022
unbound-devel · almalinux 9 1.16.2-2.el9 ALSA-2022:8062 Nov 15, 2022
unbound-devel · amzn 2023 1.16.3-2.amzn2023.0.1 ALAS2023-2023-078 Feb 17, 2023
unbound-devel · ol 8 0:1.16.2-2.el8 ELSA-2022-7622 Nov 15, 2022
unbound-devel · ol 9 0:1.16.2-2.el9 ELSA-2022-8062 Nov 22, 2022
unbound-host · Ubuntu 18.04.6 LTS (bionic) 1.6.7-1ubuntu2.5 unbound-host 1.6.7-1ubuntu2.5 Aug 1, 2022
unbound-host · Ubuntu 20.04 LTS (focal) 1.9.4-2ubuntu1.3 unbound-host 1.9.4-2ubuntu1.3 Aug 1, 2022
unbound-host · Ubuntu 22.04.1 LTS (jammy) 1.13.1-1ubuntu5.1 unbound-host 1.13.1-1ubuntu5.1 Aug 1, 2022
unbound-host · Ubuntu 24.10 (oracular) 1.16.2-1 unbound-host 1.16.2-1 Jan 16, 2026
unbound-host · Ubuntu 25.04 (plucky) 1.16.2-1 unbound-host 1.16.2-1 Jan 16, 2026
unbound-libs · RHEL 8 0:1.16.2-2.el8 RHSA-2022:7622 Nov 8, 2022
unbound-libs · RHEL 9 0:1.16.2-2.el9 RHSA-2022:8062 Nov 15, 2022
unbound-libs · almalinux 8 1.16.2-2.el8 ALSA-2022:7622 Nov 8, 2022
unbound-libs · almalinux 9 1.16.2-2.el9 ALSA-2022:8062 Nov 15, 2022
unbound-libs · amzn 2023 1.16.3-2.amzn2023.0.1 ALAS2023-2023-078 Feb 17, 2023
unbound-libs · ol 8 0:1.16.2-2.el8 ELSA-2022-7622 Nov 15, 2022
unbound-libs · ol 9 0:1.16.2-2.el9 ELSA-2022-8062 Nov 22, 2022
unbound-libs-debuginfo · amzn 2023 1.16.3-2.amzn2023.0.1 ALAS2023-2023-078 Feb 17, 2023
unbound-utils · amzn 2023 1.16.3-2.amzn2023.0.1 ALAS2023-2023-078 Feb 17, 2023
unbound-utils-debuginfo · amzn 2023 1.16.3-2.amzn2023.0.1 ALAS2023-2023-078 Feb 17, 2023

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