The DNS protocol in RFC 1035 and updates allows remote attackers to cause a denial of service (resource consumption) by arranging for DNS queries to be accumulated for seconds, such that responses are later sent in a pulsing burst (which can be considered traffic amplification in some cases), aka the "DNSBomb" issue.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade unboundUpgrade unbound-libsUpgrade unbound-develUpgrade python3-unboundUpgrade unbound-dracut | May 27, 2026 | May 19, 2026 |
| Alpine Linux | — | Upgrade unbound | Aug 22, 2024 | Jun 6, 2024 |
| Amazon Linux Ami 2 | — | Upgrade unboundUpgrade unbound-anchorUpgrade python2-unboundUpgrade unbound-libsUpgrade unbound-debuginfoUpgrade unbound-utilsUpgrade unbound-develUpgrade python3-unbound | May 16, 2024 | May 16, 2024 |
| Amazon_linux | — | Upgrade unbound | May 13, 2025 | May 13, 2024 |
| Amazon_linux_2023 | — | Upgrade unbound-libsUpgrade unbound-utilsUpgrade unboundUpgrade unbound-anchorUpgrade python3-unboundUpgrade unbound-debuginfoUpgrade unbound-utils-debuginfoUpgrade unbound-anchor-debuginfoUpgrade unbound-libs-debuginfoUpgrade python3-unbound-debuginfoUpgrade unbound-develUpgrade unbound-debugsource | Feb 17, 2025 | May 9, 2024 |
| Debian | — | Upgrade unbound | May 15, 2025 | Jun 6, 2024 |
| Huawei Euleros 2_0_sp10 | — | Upgrade unbound-libsUpgrade unboundUpgrade python3-unbound | Jan 14, 2025 | Jun 6, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade unboundUpgrade python3-unboundUpgrade unbound-libs | Dec 12, 2024 | Jun 6, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade python3-unboundUpgrade unboundUpgrade unbound-libs | Dec 12, 2024 | Jun 6, 2024 |
| Redhat_linux | — | Upgrade unbound-debugsourceUpgrade unbound-utilsUpgrade unbound-utils-debuginfoUpgrade python3-unboundUpgrade python3-unbound-debuginfoUpgrade unbound-libs-debuginfoUpgrade unbound-anchor-debuginfoUpgrade unbound-debuginfoNo solution existsUpgrade unbound-anchorUpgrade unbound-dracutUpgrade unboundUpgrade unbound-develUpgrade unbound-libs | Jul 9, 2025 | Jun 6, 2024 |
| Rocky_linux | — | Upgrade unbound-debugsourceUpgrade unbound-anchorUpgrade unbound-dracutUpgrade unbound-libsUpgrade unboundUpgrade unbound-utils-debuginfoUpgrade python3-unbound-debuginfoUpgrade unbound-develUpgrade unbound-anchor-debuginfoUpgrade unbound-utilsUpgrade unbound-debuginfoUpgrade python3-unboundUpgrade unbound-libs-debuginfo | Jun 1, 2026 | May 28, 2026 |
| Suse | — | Upgrade libunbound8Upgrade python3-unboundUpgrade unbound-develUpgrade unbound-anchorUpgrade unbound | Dec 5, 2025 | Feb 3, 2025 |
| Ubuntu | — | Upgrade libunbound8Upgrade unbound | Jun 6, 2024 | May 28, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jun 6, 2024 |
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