CVE-2026-76163
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.
- Published Sep 16, 2026
- CVSS 7.5 high
- 0.6% chance of exploitation in the next 30 days (EPSS)