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bind: bind9: Unexpected exit with NSEC and NSEC3 both present

🗓️ 13 Aug 2026 11:28:25Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 12 Views

BIND9 exits with assertion when validating provably insecure domains covered by both NSEC and NSEC3 records.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64bind32:9.16.23-40.el9_8.8bind-32:9.16.23-40.el9_8.8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lebind32:9.16.23-40.el9_8.8bind-32:9.16.23-40.el9_8.8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xbind32:9.16.23-40.el9_8.8bind-32:9.16.23-40.el9_8.8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64bind32:9.16.23-40.el9_8.8bind-32:9.16.23-40.el9_8.8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64bind-chroot32:9.16.23-40.el9_8.8bind-chroot-32:9.16.23-40.el9_8.8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lebind-chroot32:9.16.23-40.el9_8.8bind-chroot-32:9.16.23-40.el9_8.8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xbind-chroot32:9.16.23-40.el9_8.8bind-chroot-32:9.16.23-40.el9_8.8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64bind-chroot32:9.16.23-40.el9_8.8bind-chroot-32:9.16.23-40.el9_8.8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64bind-debuginfo32:9.16.23-40.el9_8.8bind-debuginfo-32:9.16.23-40.el9_8.8.aarch64.rpm
Red Hat Enterprise Linux9.8i686bind-debuginfo32:9.16.23-40.el9_8.8bind-debuginfo-32:9.16.23-40.el9_8.8.i686.rpm
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20 Aug 2026 15:18Current
5.4Medium risk
Vulners AI Score5.4
CVSS 3.17.5
EPSS0.00509
SSVC
12