Querying for records within a specially crafted zone containing certain malformed DNSKEY records can lead to CPU exhaustion. This issue affects BIND 9 versions 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade bind-develUpgrade bind-libsUpgrade bind-chrootUpgrade bind-dnssec-docUpgrade python3-bindUpgrade bind9.18-dnssec-utilsUpgrade bind-utilsUpgrade bind9.18-docUpgrade bind9.18-utilsUpgrade bind9.18-libsUpgrade bind9.18-chrootUpgrade bind9.18Upgrade bind-docUpgrade bind-licenseUpgrade bindUpgrade bind-dnssec-utilsUpgrade bind9.18-devel | Nov 20, 2025 | Nov 10, 2025 |
| Alpine Linux | — | Upgrade bind | Oct 23, 2025 | Oct 22, 2025 |
| Amazon Linux Ami 2 | — | Upgrade bind-pkcs11-libsUpgrade bind-sdb-chrootUpgrade bind-pkcs11-utilsUpgrade bind-pkcs11-develUpgrade bind-licenseUpgrade bind-libsUpgrade bind-develUpgrade bindUpgrade bind-export-develUpgrade bind-debuginfoUpgrade bind-chrootUpgrade bind-libs-liteUpgrade bind-export-libsUpgrade bind-pkcs11Upgrade bind-lite-develUpgrade bind-sdbUpgrade bind-utils | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade bind-chrootUpgrade bind-dnssec-utils-debuginfoUpgrade bind-utilsUpgrade bind-libsUpgrade bind-develUpgrade bind-utils-debuginfoUpgrade bind-docUpgrade bind-debuginfoUpgrade bind-licenseUpgrade bind-debugsourceUpgrade bind-libs-debuginfoUpgrade bindUpgrade bind-dnssec-utils | Nov 6, 2025 | Oct 22, 2025 |
| Debian | — | Upgrade bind9 | Oct 27, 2025 | Oct 27, 2025 |
| Dns Bind | — | Upgrade ISC BIND to latest version | Feb 20, 2026 | Feb 20, 2026 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Nov 7, 2025 |
| Ibm Aix | — | Apply the fix or workaround for bind_advisory29 | Feb 19, 2026 | Feb 18, 2026 |
| Oracle_linux | — | Upgrade bind-libsUpgrade bind9.18-libsUpgrade bind-licenseUpgrade bind9.18-utilsUpgrade bind-dnssec-utilsUpgrade bind9.18-develUpgrade bind9.18Upgrade bind-develUpgrade bind-utilsUpgrade bind9.18-docUpgrade bind-docUpgrade bind9.18-chrootUpgrade bind9.18-dnssec-utilsUpgrade bind-chrootUpgrade bind | Nov 10, 2025 | Oct 22, 2025 |
| Redhat Openshift | — | Upgrade rhcos | Aug 10, 2026 | Oct 22, 2025 |
| Redhat_linux | — | Upgrade bind-libsUpgrade bind9.18-debugsourceUpgrade bind9.18-utilsUpgrade bind-libs-debuginfoUpgrade bind-develUpgrade bind9.18-libs-debuginfoUpgrade bind9.18Upgrade python3-bindUpgrade bind9.18-dnssec-utils-debuginfoUpgrade bind9.18-develUpgrade bind-dnssec-utilsUpgrade bind-licenseUpgrade bind9.18-utils-debuginfoUpgrade bind-utilsUpgrade bind9.18-libsUpgrade bind-chrootUpgrade bind9.18-chrootUpgrade bind9.18-debuginfoUpgrade bind-debuginfoUpgrade bindUpgrade bind-utils-debuginfoUpgrade bind-docUpgrade bind9.18-docUpgrade bind-dnssec-docUpgrade bind-debugsourceUpgrade bind-dnssec-utils-debuginfoUpgrade bind9.18-dnssec-utils | Nov 14, 2025 | Oct 22, 2025 |
| Rocky_linux | — | Upgrade bind9.18-chrootUpgrade bind-chrootUpgrade bind9.18-debugsourceUpgrade bind-debuginfoUpgrade bind-develUpgrade bind-utilsUpgrade bind-dnssec-utilsUpgrade bind9.18-utils-debuginfoUpgrade bind9.18-debuginfoUpgrade bind9.18-dnssec-utils-debuginfoUpgrade bind9.18-dnssec-utilsUpgrade bindUpgrade bind9.18-develUpgrade bind-libsUpgrade bind9.18-libsUpgrade bind-utils-debuginfoUpgrade bind9.18-utilsUpgrade bind9.18-libs-debuginfoUpgrade bind-dnssec-utils-debuginfoUpgrade bind-debugsourceUpgrade bind9.18Upgrade bind-libs-debuginfo | Feb 5, 2026 | Nov 21, 2025 |
| Suse | — | Upgrade bindUpgrade bind-docUpgrade bind-utils | Dec 5, 2025 | Nov 11, 2025 |
| Ubuntu | — | Upgrade bind9 (Ubuntu Pro)Upgrade bind9 | Oct 23, 2025 | Oct 22, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Feb 9, 2026 | Oct 22, 2025 |
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