Clients using DNS-over-HTTPS (DoH) can exhaust a DNS resolver's CPU and/or memory by flooding it with crafted valid or invalid HTTP/2 traffic. This issue affects BIND 9 versions 9.18.0 through 9.18.32, 9.20.0 through 9.20.4, 9.21.0 through 9.21.3, and 9.18.11-S1 through 9.18.32-S1.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade bind9.18-libsUpgrade bind9.18-chrootUpgrade bind9.18-docUpgrade bind9.18-dnssec-utilsUpgrade bind9.18-develUpgrade bind9.18Upgrade bind9.18-utils | Feb 25, 2025 | Jan 29, 2025 |
| Alpine Linux | — | Upgrade bind | Aug 8, 2025 | Jan 29, 2025 |
| Amazon Linux Ami 2 | — | Upgrade bind-libs-liteUpgrade bind-chrootUpgrade bind-licenseUpgrade bind-export-develUpgrade bindUpgrade bind-debuginfoUpgrade bind-lite-develUpgrade bind-pkcs11Upgrade bind-export-libsUpgrade bind-sdbUpgrade bind-utilsUpgrade bind-libsUpgrade bind-pkcs11-develUpgrade bind-pkcs11-libsUpgrade bind-sdb-chrootUpgrade bind-pkcs11-utilsUpgrade bind-devel | Feb 5, 2025 | Jan 29, 2025 |
| Amazon_linux_2023 | — | Upgrade bind-debugsourceUpgrade bind-libs-debuginfoUpgrade bind-licenseUpgrade bindUpgrade bind-libsUpgrade bind-docUpgrade bind-utils-debuginfoUpgrade bind-dnssec-utils-debuginfoUpgrade bind-utilsUpgrade bind-chrootUpgrade bind-dnssec-utilsUpgrade bind-debuginfoUpgrade bind-devel | Feb 17, 2025 | Jan 29, 2024 |
| Debian | — | Upgrade bind9 | Jan 31, 2025 | Jan 31, 2025 |
| Dns Bind | — | Upgrade ISC BIND to latest version | Feb 11, 2025 | Jan 29, 2025 |
| Ibm Aix | — | Apply the fix or workaround for bind_advisory28 | May 21, 2025 | Jan 29, 2025 |
| Oracle_linux | — | Upgrade bind9.18-develUpgrade bind9.18-chrootUpgrade bind9.18-docUpgrade bind9.18-dnssec-utilsUpgrade bind9.18Upgrade bind9.18-utilsUpgrade bind9.18-libs | Feb 25, 2025 | Jan 29, 2024 |
| Redhat Openshift | — | Upgrade rhcos | Mar 6, 2025 | Jan 29, 2024 |
| Redhat_linux | — | Upgrade bind9.18-utilsUpgrade bind9.18-dnssec-utilsUpgrade bind9.18-utils-debuginfoUpgrade bind9.18-debugsourceUpgrade bind9.18-debuginfoUpgrade bind9.18-develUpgrade bind9.18-chrootUpgrade bind9.18Upgrade bind9.18-dnssec-utils-debuginfoUpgrade bind9.18-libs-debuginfoUpgrade bind9.18-docUpgrade bind9.18-libs | Feb 20, 2025 | Jan 29, 2025 |
| Rocky_linux | — | Upgrade bind9.18Upgrade bind9.18-libsUpgrade bind9.18-chrootUpgrade bind9.18-libs-debuginfoUpgrade bind9.18-dnssec-utilsUpgrade bind9.18-utilsUpgrade bind9.18-dnssec-utils-debuginfoUpgrade bind9.18-debugsourceUpgrade bind9.18-utils-debuginfoUpgrade bind9.18-debuginfoUpgrade bind9.18-devel | Mar 18, 2025 | Jan 29, 2025 |
| Suse | — | Upgrade bind-modules-mysqlUpgrade bind-docUpgrade bind-modules-perlUpgrade bind-utilsUpgrade bind-modules-ldapUpgrade bind-modules-genericUpgrade bindUpgrade bind-modules-sqlite3 | Dec 5, 2025 | May 30, 2025 |
| Ubuntu | — | Upgrade bind9 | Jan 30, 2025 | Jan 29, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 2, 2025 | Jan 29, 2025 |
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