Unbound before 1.10.1 has Insufficient Control of Network Message Volume, aka an "NXNSAttack" issue. This is triggered by random subdomains in the NSDNAME in NS records.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade unbound | Sep 23, 2020 | May 19, 2020 |
| Amazon Linux Ami 2 | — | Upgrade unbound-libsUpgrade unboundUpgrade unbound-debuginfoUpgrade unbound-develUpgrade unbound-python | May 22, 2020 | May 19, 2020 |
| Amazon_linux | — | Upgrade unbound | Jun 4, 2020 | May 19, 2020 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | May 19, 2020 |
| Centos_linux | — | Upgrade python3-unboundUpgrade unbound-libs-debuginfoUpgrade unbound-debuginfoUpgrade python3-unbound-debuginfoUpgrade unbound-pythonUpgrade unboundUpgrade unbound-develUpgrade unbound-debugsourceUpgrade unbound-libs | Jun 10, 2020 | May 19, 2020 |
| Debian | — | Upgrade unbound | May 28, 2020 | May 19, 2020 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Jun 3, 2020 |
| Freebsd | — | Upgrade unboundUpgrade FreeBSD | May 23, 2020 | May 22, 2020 |
| Huawei Euleros 2_0_sp2 | — | Upgrade unbound-libsUpgrade unbound | Nov 3, 2020 | May 19, 2020 |
| Huawei Euleros 2_0_sp3 | — | Upgrade unbound-libsUpgrade unbound | Sep 28, 2020 | May 19, 2020 |
| Huawei Euleros 2_0_sp5 | — | Upgrade unbound-libsUpgrade unbound | Sep 3, 2020 | May 19, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade python3-unboundUpgrade python2-unboundUpgrade unboundUpgrade unbound-libs | Jul 31, 2020 | May 19, 2020 |
| Oracle_linux | — | Upgrade unboundUpgrade unbound-develUpgrade unbound-libsUpgrade python3-unboundUpgrade unbound-python | Jun 9, 2020 | May 19, 2020 |
| Redhat_linux | — | Upgrade unboundUpgrade unbound-libsUpgrade unbound-debugsourceUpgrade unbound-libs-debuginfoUpgrade python3-unboundUpgrade unbound-pythonUpgrade python3-unbound-debuginfoUpgrade unbound-debuginfoUpgrade unbound-devel | Jun 10, 2020 | May 19, 2020 |
| Suse | — | Upgrade libunbound-devel-miniUpgrade unbound-develUpgrade unbound-muninUpgrade unbound-anchorUpgrade libunbound2Upgrade unboundUpgrade unbound-python | Jun 30, 2020 | May 19, 2020 |
| Ubuntu | — | Upgrade unboundUpgrade libunbound2Upgrade libunbound8 | May 28, 2020 | May 19, 2020 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | May 19, 2020 |
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