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bind: bind9: Incorrect acceptance of NSEC3 records

🗓️ 17 Aug 2026 04:00:15Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 14 Views

BIND9 incorrectly accepts child-zone NSEC3 records, allowing forged NXDOMAIN responses.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.6aarch64bind32:9.16.23-31.el9_6.4bind-32:9.16.23-31.el9_6.4.aarch64.rpm
Red Hat Enterprise Linux9.6ppc64lebind32:9.16.23-31.el9_6.4bind-32:9.16.23-31.el9_6.4.ppc64le.rpm
Red Hat Enterprise Linux9.6s390xbind32:9.16.23-31.el9_6.4bind-32:9.16.23-31.el9_6.4.s390x.rpm
Red Hat Enterprise Linux9.6x86_64bind32:9.16.23-31.el9_6.4bind-32:9.16.23-31.el9_6.4.x86_64.rpm
Red Hat Enterprise Linux9.6aarch64bind-libs32:9.16.23-31.el9_6.4bind-libs-32:9.16.23-31.el9_6.4.aarch64.rpm
Red Hat Enterprise Linux9.6i686bind-libs32:9.16.23-31.el9_6.4bind-libs-32:9.16.23-31.el9_6.4.i686.rpm
Red Hat Enterprise Linux9.6ppc64lebind-libs32:9.16.23-31.el9_6.4bind-libs-32:9.16.23-31.el9_6.4.ppc64le.rpm
Red Hat Enterprise Linux9.6s390xbind-libs32:9.16.23-31.el9_6.4bind-libs-32:9.16.23-31.el9_6.4.s390x.rpm
Red Hat Enterprise Linux9.6x86_64bind-libs32:9.16.23-31.el9_6.4bind-libs-32:9.16.23-31.el9_6.4.x86_64.rpm
Red Hat Enterprise Linux9.6aarch64bind-utils32:9.16.23-31.el9_6.4bind-utils-32:9.16.23-31.el9_6.4.aarch64.rpm
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18 Aug 2026 14:46Current
5.3Medium risk
Vulners AI Score5.3
CVSS 3.16.8
EPSS0.00266
SSVC
14