Description
The BIND resolver accepts validly-signed NSEC records where the -Next Domain Name- field points outside the signer-s zone. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through 9.20.24, 9.21.0 through 9.21.23, 9.11.3-S1 through 9.18.50-S1, and 9.20.9-S1 through 9.20.24-S1.
CVSS 8.6EPSS 0.217%Risk 0.88
View source- Published
- 2026-07-22 15:16:52
- Affected versions
- cannotmatch
- Type
- Critical software
- Last modified
- 2026-07-22 20:33:11
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N