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 Details
- CVSS 3.1 Base Score: 8.6
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade bind | Jul 28, 2026 | Jul 22, 2026 |
| Amazon Linux Ami 2 | — | Upgrade bind-lite-develUpgrade bind-utilsUpgrade bind-chrootUpgrade bind-develUpgrade bind-pkcs11-utilsUpgrade bind-libsUpgrade bind-pkcs11-libsUpgrade bind-libs-liteUpgrade bind-pkcs11-develUpgrade bind-pkcs11Upgrade bind-sdbUpgrade bind-licenseUpgrade bind-debuginfoUpgrade bindUpgrade bind-sdb-chrootUpgrade bind-export-libsUpgrade bind-export-devel | Aug 5, 2026 | Aug 5, 2026 |
| Amazon_linux_2023 | — | Upgrade bind-debuginfoUpgrade bind-develUpgrade bind-utils-debuginfoUpgrade bind-dnssec-utilsUpgrade bind-libsUpgrade bind-debugsourceUpgrade bindUpgrade bind-utilsUpgrade bind-chrootUpgrade bind-dnssec-utils-debuginfoUpgrade bind-docUpgrade bind-licenseUpgrade bind-libs-debuginfo | Aug 10, 2026 | Jul 22, 2026 |
| Debian | — | Upgrade bind9 | Jul 28, 2026 | Jul 28, 2026 |
| Ibm Aix | — | Apply the fix or workaround for bind_advisory31 | Sep 16, 2026 | Sep 16, 2026 |
| Redhat Openshift | — | Upgrade rhcos | Aug 26, 2026 | Jul 22, 2026 |
| Redhat_linux | — | Upgrade bind9.16-debugsourceUpgrade bind9.18-libs-debuginfoUpgrade bind9.18-docUpgrade bind9.18-develUpgrade bind9.16-develUpgrade bind9.18-utils-debuginfoUpgrade bind-libsUpgrade bind-pkcs11-utilsUpgrade bind9.16-licenseUpgrade python3-bindUpgrade bind9.18-libsUpgrade bind9.18-dnssec-utils-debuginfoUpgrade bind9.16-dnssec-utils-debuginfoUpgrade bind9.16-chrootUpgrade bind9.16-libs-debuginfoUpgrade bind9.16-utils-debuginfoUpgrade bind-sdb-chrootUpgrade bind-dnssec-docUpgrade bind9.18-debugsourceNo solution existsUpgrade bind-pkcs11Upgrade bind9.16-debuginfoUpgrade bind-sdb-debuginfoUpgrade bind-chrootUpgrade bind9.16Upgrade bind-debuginfoUpgrade bind-develUpgrade bind-lite-develUpgrade bind9.16-dnssec-utilsUpgrade bind-libs-debuginfoUpgrade bind-libs-liteUpgrade bind-pkcs11-libsUpgrade bind-export-libs-debuginfoUpgrade bind-pkcs11-debuginfoUpgrade bind-libs-lite-debuginfoUpgrade bind-pkcs11-utils-debuginfoUpgrade bind-dnssec-utilsUpgrade bind9.16-utilsUpgrade bind9.16-docUpgrade bind-licenseUpgrade bind-pkcs11-develUpgrade bind-utils-debuginfoUpgrade bind9.18-utilsUpgrade bind9.18-debuginfoUpgrade bind-export-develUpgrade bind-sdbUpgrade bind-pkcs11-libs-debuginfoUpgrade bind-debugsourceUpgrade bind9.18Upgrade bind9.18-dnssec-utilsUpgrade bind9.18-chrootUpgrade bindUpgrade bind-utilsUpgrade bind-dnssec-utils-debuginfoUpgrade bind-export-libsUpgrade bind-docUpgrade python3-bind9.16Upgrade bind9.16-libs | Jul 24, 2026 | Jul 22, 2026 |
| Rocky_linux | — | Upgrade bind9.18-libsUpgrade bind9.18Upgrade bind9.18-debugsourceUpgrade bind9.16-chrootUpgrade bind-libs-liteUpgrade bind-pkcs11-libsUpgrade bind9.16-debuginfoUpgrade bind9.16-utils-debuginfoUpgrade bind-libsUpgrade bind-pkcs11-utilsUpgrade bind-utilsUpgrade bind-libs-lite-debuginfoUpgrade bind-pkcs11Upgrade bind9.18-dnssec-utils-debuginfoUpgrade bind-sdb-debuginfoUpgrade bind-debuginfoUpgrade bind9.18-libs-debuginfoUpgrade bind9.16-dnssec-utils-debuginfoUpgrade bind9.16-develUpgrade bind9.16Upgrade bind9.16-debugsourceUpgrade bind-export-libs-debuginfoUpgrade bind9.18-chrootUpgrade bind9.16-dnssec-utilsUpgrade bind-chrootUpgrade bind9.16-libs-debuginfoUpgrade bind-sdb-chrootUpgrade bind-lite-develUpgrade bind-develUpgrade bind9.18-develUpgrade bindUpgrade bind9.16-libsUpgrade bind-pkcs11-utils-debuginfoUpgrade bind9.18-debuginfoUpgrade bind-dnssec-utils-debuginfoUpgrade bind-export-develUpgrade bind-debugsourceUpgrade bind-utils-debuginfoUpgrade bind9.18-dnssec-utilsUpgrade bind-pkcs11-libs-debuginfoUpgrade bind-export-libsUpgrade bind9.18-utilsUpgrade bind9.16-utilsUpgrade bind-dnssec-utilsUpgrade bind-pkcs11-debuginfoUpgrade bind-pkcs11-develUpgrade bind-sdbUpgrade bind9.18-utils-debuginfoUpgrade bind-libs-debuginfo | Aug 17, 2026 | Aug 15, 2026 |
| Ubuntu | — | Upgrade bind9 | Aug 19, 2026 | Aug 19, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Aug 17, 2026 | Jul 22, 2026 |
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