If BIND is loaded with a "`named.conf`" file that contains no global "`options`" block, an attacker can send a query of QTYPE TKEY which may cause an assertion failure and subsequent unexpected program exit. This issue affects BIND 9 versions 9.20.0 through 9.20.27, 9.21.0 through 9.21.25, and 9.20.9-S1 through 9.20.27-S1.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade bind | Sep 28, 2026 | Sep 16, 2026 |
| Debian | — | Upgrade bind9 | Sep 21, 2026 | Sep 16, 2026 |
| Freebsd | — | Upgrade bind920 | Oct 5, 2026 | Oct 4, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 28, 2026 | Sep 16, 2026 |
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