In specific circumstances, due to a weakness in the Pseudo Random Number Generator (PRNG) that is used, it is possible for an attacker to predict the source port and query ID that BIND will use. This issue affects BIND 9 versions 9.16.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.16.8-S1 through 9.16.50-S1, 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 bind9.18-dnssec-utilsUpgrade bind-docUpgrade bind-dnssec-utilsUpgrade bind9.16-utilsUpgrade bind9.18-utilsUpgrade python3-bind9.16Upgrade bind9.18-develUpgrade bind9.16-libsUpgrade bind9.16-docUpgrade bind-licenseUpgrade python3-bindUpgrade bind9.16-licenseUpgrade bind-libsUpgrade bind9.18-libsUpgrade bind9.18-docUpgrade bind9.18-chrootUpgrade bindUpgrade bind9.16Upgrade bind-dnssec-docUpgrade bind9.18Upgrade bind-develUpgrade bind-utilsUpgrade bind-chrootUpgrade bind9.16-dnssec-utilsUpgrade bind9.16-chrootUpgrade bind9.16-devel | Nov 10, 2025 | Nov 5, 2025 |
| Alpine Linux | — | Upgrade bind | Oct 23, 2025 | Oct 22, 2025 |
| Amazon_linux_2023 | — | Upgrade bind-utils-debuginfoUpgrade bind-libs-debuginfoUpgrade bind-utilsUpgrade bindUpgrade bind-debugsourceUpgrade bind-docUpgrade bind-develUpgrade bind-dnssec-utilsUpgrade bind-debuginfoUpgrade bind-chrootUpgrade bind-libsUpgrade bind-licenseUpgrade bind-dnssec-utils-debuginfo | Nov 6, 2025 | Oct 22, 2025 |
| Debian | — | Upgrade bind9 | Oct 27, 2025 | Oct 27, 2025 |
| Dell Powerstore Dsa2026115 | — | Upgrade Dell PowerStoreOS to the latest version | Feb 25, 2026 | Feb 24, 2026 |
| 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 24, 2025 |
| Huawei Euleros 2_0_sp11 | — | Upgrade bind-utilsUpgrade bind-pkcs11-libsUpgrade bind-libsUpgrade python3-bindUpgrade bind-dnssec-utilsUpgrade bind-pkcs11-utilsUpgrade bind-pkcs11Upgrade bindUpgrade bind-chrootUpgrade bind-licenseUpgrade bind-dnssec-doc | Mar 17, 2026 | Mar 17, 2026 |
| Huawei Euleros 2_0_sp12 | — | Upgrade bind-utilsUpgrade bind-dnssec-docUpgrade bind-pkcs11-utilsUpgrade bind-chrootUpgrade bind-pkcs11-libsUpgrade python3-bindUpgrade bindUpgrade bind-pkcs11Upgrade bind-dnssec-utilsUpgrade bind-licenseUpgrade bind-libs | Jan 15, 2026 | Jan 13, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade bind-pkcs11Upgrade bindUpgrade bind-dnssec-docUpgrade bind-chrootUpgrade bind-utilsUpgrade bind-pkcs11-utilsUpgrade python3-bindUpgrade bind-dnssec-utilsUpgrade bind-licenseUpgrade bind-libsUpgrade bind-pkcs11-libs | Feb 3, 2026 | Jan 13, 2026 |
| Ibm Aix | — | Apply the fix or workaround for bind_advisory29 | Feb 19, 2026 | Feb 18, 2026 |
| Nutanix Ahv | — | Upgrade Nutanix AHV to the latest version | Jun 5, 2026 | Mar 26, 2026 |
| Oracle_linux | — | Upgrade bind9.18-chrootUpgrade bind9.18-develUpgrade bind9.16-chrootUpgrade bind9.16-dnssec-utilsUpgrade python3-bindUpgrade bind-licenseUpgrade bind9.18Upgrade bind-develUpgrade bind9.16Upgrade bindUpgrade bind-libsUpgrade bind9.18-libsUpgrade python3-bind9.16Upgrade bind-chrootUpgrade bind9.18-dnssec-utilsUpgrade bind9.16-develUpgrade bind9.18-docUpgrade bind9.16-docUpgrade bind9.18-utilsUpgrade bind-utilsUpgrade bind9.16-utilsUpgrade bind-dnssec-docUpgrade bind9.16-libsUpgrade bind9.16-licenseUpgrade bind-docUpgrade bind-dnssec-utils | Nov 7, 2025 | Oct 22, 2025 |
| Redhat Openshift | — | Upgrade ose-rhel-coreos | Aug 10, 2026 | Oct 22, 2025 |
| Redhat_linux | — | Upgrade bind-utils-debuginfoUpgrade bind9.16-debugsourceUpgrade bind9.16-dnssec-utils-debuginfoUpgrade bind9.18-utils-debuginfoUpgrade bind-debuginfoUpgrade bind-chrootUpgrade bind-dnssec-docUpgrade bind9.18-debuginfoUpgrade bind9.18-develUpgrade bind9.16-libsUpgrade bind9.18-docUpgrade bind-dnssec-utilsUpgrade bind9.16-develUpgrade bind9.18-dnssec-utilsUpgrade bind9.18-chrootUpgrade bind9.18-dnssec-utils-debuginfoUpgrade bind-develUpgrade bind-utilsUpgrade bind9.16-docUpgrade bind9.18-debugsourceUpgrade bind9.18Upgrade bind-debugsourceUpgrade bind-docUpgrade bind9.16-utilsUpgrade bind9.16-debuginfoUpgrade bind-libs-debuginfoUpgrade bind9.16-dnssec-utilsUpgrade bind9.16Upgrade bind-dnssec-utils-debuginfoUpgrade python3-bind9.16Upgrade bind9.18-libsUpgrade bind9.16-utils-debuginfoUpgrade bind9.16-chrootUpgrade bind-licenseUpgrade bindUpgrade bind9.18-libs-debuginfoUpgrade python3-bindUpgrade bind9.16-libs-debuginfoUpgrade bind9.16-licenseUpgrade bind9.18-utilsUpgrade bind-libs | Nov 6, 2025 | Oct 22, 2025 |
| Rocky_linux | — | Upgrade bind9.16-libsUpgrade bind9.18-libsUpgrade bind-dnssec-utilsUpgrade bind9.18-libs-debuginfoUpgrade bind-dnssec-utils-debuginfoUpgrade bind9.16-dnssec-utilsUpgrade bind9.18-chrootUpgrade bindUpgrade bind-debuginfoUpgrade bind-debugsourceUpgrade bind9.18Upgrade bind-utils-debuginfoUpgrade bind9.16-utilsUpgrade bind9.18-dnssec-utils-debuginfoUpgrade bind9.16-develUpgrade bind9.18-utilsUpgrade bind9.16-dnssec-utils-debuginfoUpgrade bind9.16-debugsourceUpgrade bind9.18-utils-debuginfoUpgrade bind9.16-chrootUpgrade bind-utilsUpgrade bind9.16-libs-debuginfoUpgrade bind9.16-debuginfoUpgrade bind-libs-debuginfoUpgrade bind9.16-utils-debuginfoUpgrade bind9.16Upgrade bind9.18-dnssec-utilsUpgrade bind-libsUpgrade bind-develUpgrade bind-chrootUpgrade bind9.18-debugsourceUpgrade bind9.18-debuginfoUpgrade bind9.18-devel | Feb 5, 2026 | Nov 21, 2025 |
| Suse | — | Upgrade bind-docUpgrade bind-utilsUpgrade bind | Dec 5, 2025 | Nov 6, 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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