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If a BIND resolver sends a query for a DNSSEC-signed authoritative zone, and the authoritative server replies with a valid wildcard answer and signed NSEC3 proof, followed by an unsigned NSEC at the same owner name, it will trigger an unexpected program exit. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.27-S1.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade bind-export-develUpgrade bind9.16-docUpgrade bind9.18-develUpgrade bind-dnssec-docUpgrade bind-dnssec-utilsUpgrade bind-licenseUpgrade bind-export-libsUpgrade bind9.18-libsUpgrade bind9.18-dnssec-utilsUpgrade bind9.16-licenseUpgrade bind9.18Upgrade bind9.18-utilsUpgrade bind-docUpgrade bind9.18-chrootUpgrade bind-libs-liteUpgrade bind9.18-docUpgrade bind9.16-libsUpgrade bind-sdbUpgrade bindUpgrade bind-utilsUpgrade bind-pkcs11-utilsUpgrade bind-sdb-chrootUpgrade python3-bindUpgrade bind9.16-dnssec-utilsUpgrade bind-lite-develUpgrade python3-bind9.16Upgrade bind-pkcs11Upgrade bind9.16-develUpgrade bind-libsUpgrade bind9.16-chrootUpgrade bind-pkcs11-libsUpgrade bind-chrootUpgrade bind9.16Upgrade bind9.16-utilsUpgrade bind-develUpgrade bind-pkcs11-devel | Oct 11, 2026 | Oct 5, 2026 |
| Alpine Linux | — | Upgrade bind | Sep 28, 2026 | Sep 16, 2026 |
| Amazon Linux Ami 2 | — | Upgrade bind-develUpgrade bind-pkcs11-libsUpgrade bind-libs-liteUpgrade bind-chrootUpgrade bind-libsUpgrade bind-utilsUpgrade bind-lite-develUpgrade bindUpgrade bind-export-develUpgrade bind-pkcs11-utilsUpgrade bind-pkcs11Upgrade bind-pkcs11-develUpgrade bind-licenseUpgrade bind-debuginfoUpgrade bind-export-libsUpgrade bind-sdbUpgrade bind-sdb-chroot | Oct 19, 2026 | Oct 19, 2026 |
| Amazon_linux_2023 | — | Upgrade bind-chrootUpgrade bind-dnssec-utils-debuginfoUpgrade bind-libsUpgrade bind-docUpgrade bind-utils-debuginfoUpgrade bind-dnssec-utilsUpgrade bind-utilsUpgrade bind-develUpgrade bindUpgrade bind-debugsourceUpgrade bind-debuginfoUpgrade bind-licenseUpgrade bind-libs-debuginfo | Sep 30, 2026 | Sep 16, 2026 |
| Debian | — | Upgrade bind9 | Sep 21, 2026 | Sep 16, 2026 |
| Freebsd | — | Upgrade bind920 | Oct 5, 2026 | Oct 4, 2026 |
| Ibm Aix | — | Apply the fix or workaround for bind_advisory32 | Nov 2, 2026 | Nov 2, 2026 |
| Oracle_linux | — | Upgrade bind-dnssec-docUpgrade bind-pkcs11-develUpgrade bind-libsUpgrade bind9.18-dnssec-utilsUpgrade bind-utilsUpgrade bind-chrootUpgrade bind-develUpgrade bind-sdb-chrootUpgrade bind-pkcs11-libsUpgrade bind9.16-develUpgrade bind9.16-utilsUpgrade bind9.16-licenseUpgrade bind9.18-utilsUpgrade bind9.16Upgrade python3-bindUpgrade bind9.18-develUpgrade bind9.18-docUpgrade bind-lite-develUpgrade bind9.18-chrootUpgrade bind9.18Upgrade bind-pkcs11Upgrade bind-licenseUpgrade bind-docUpgrade bindUpgrade bind9.18-libsUpgrade bind-export-libsUpgrade bind-dnssec-utilsUpgrade bind9.16-docUpgrade bind-sdbUpgrade bind9.16-libsUpgrade python3-bind9.16Upgrade bind-export-develUpgrade bind-pkcs11-utilsUpgrade bind-libs-liteUpgrade bind9.16-dnssec-utilsUpgrade bind9.16-chroot | Oct 22, 2026 | Sep 16, 2026 |
| Redhat Openshift | — | Upgrade ose-rhel-coreos | Oct 30, 2026 | Sep 16, 2026 |
| Redhat_linux | — | Upgrade bind-licenseUpgrade bind-dnssec-utils-debuginfoUpgrade python3-bindUpgrade bind9.16-debugsourceUpgrade bind-export-libs-debuginfoUpgrade bind-sdb-debuginfoUpgrade bind-pkcs11-develUpgrade bind9.18-develUpgrade bind9.18-dnssec-utilsUpgrade bind9.16-licenseUpgrade bind9.16-dnssec-utils-debuginfoUpgrade bind-develUpgrade bind-sdb-chrootUpgrade bind9.16-utilsUpgrade bind9.18-debuginfoUpgrade bind9.16-debuginfoUpgrade bind9.16-utils-debuginfoUpgrade bind-pkcs11-libsUpgrade bind-libs-debuginfoUpgrade bind-utilsUpgrade bind9.16Upgrade bind9.18-utilsUpgrade bind-pkcs11-debuginfoUpgrade bind-libsNo solution existsUpgrade bind9.18-debugsourceUpgrade bind9.16-libs-debuginfoUpgrade bind9.18-utils-debuginfoUpgrade bind9.18-libsUpgrade bind9.18-docUpgrade bind9.18-libs-debuginfoUpgrade bind-chrootUpgrade bind-pkcs11-libs-debuginfoUpgrade bind-pkcs11Upgrade bind-utils-debuginfoUpgrade bind9.16-docUpgrade bind-debugsourceUpgrade bind-libs-lite-debuginfoUpgrade bind-export-libsUpgrade python3-bind9.16Upgrade bind9.18-dnssec-utils-debuginfoUpgrade bind-pkcs11-utils-debuginfoUpgrade bind-lite-develUpgrade bind-dnssec-utilsUpgrade bind9.16-libsUpgrade bind9.16-chrootUpgrade bind-debuginfoUpgrade bind-sdbUpgrade bind-export-develUpgrade bind-docUpgrade bind-dnssec-docUpgrade bind-libs-liteUpgrade bind9.16-develUpgrade bind9.18Upgrade bind9.16-dnssec-utilsUpgrade bindUpgrade bind9.18-chrootUpgrade bind-pkcs11-utils | Sep 18, 2026 | Sep 16, 2026 |
| Rocky_linux | — | Upgrade bind-utils-debuginfoUpgrade bind9.16-debugsourceUpgrade bind9.16-debuginfoUpgrade bind9.18-libs-debuginfoUpgrade bind-sdb-debuginfoUpgrade bind9.18-libsUpgrade bind9.18-develUpgrade bind-debuginfoUpgrade bind-libs-debuginfoUpgrade bind-pkcs11-develUpgrade bind-sdb-chrootUpgrade bind-develUpgrade bind-export-libsUpgrade bind-pkcs11-utilsUpgrade bind9.18-dnssec-utilsUpgrade bind9.18Upgrade bind-debugsourceUpgrade bind9.18-utilsUpgrade bind9.16-libsUpgrade bind-export-develUpgrade bind-libs-liteUpgrade bind-export-libs-debuginfoUpgrade bindUpgrade bind9.18-dnssec-utils-debuginfoUpgrade bind-dnssec-utilsUpgrade bind-chrootUpgrade bind9.16-utils-debuginfoUpgrade bind9.18-chrootUpgrade bind9.16-dnssec-utils-debuginfoUpgrade bind9.16-chrootUpgrade bind9.16-dnssec-utilsUpgrade bind-dnssec-utils-debuginfoUpgrade bind-libs-lite-debuginfoUpgrade bind-utilsUpgrade bind9.16-develUpgrade bind9.18-utils-debuginfo | Oct 7, 2026 | Oct 6, 2026 |
| Ubuntu | — | Upgrade bind9Upgrade bind9 (Ubuntu Pro) | Oct 15, 2026 | Oct 14, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 30, 2026 | Sep 16, 2026 |
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