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

🗓️ 17 Aug 2026 04:39:15Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

BIND9 exits unexpectedly during DNSSEC validation when both NSEC and NSEC3 records are present with an incomplete RRSIG.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.2aarch64bind32:9.18.33-15.el10_2.10bind-32:9.18.33-15.el10_2.10.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lebind32:9.18.33-15.el10_2.10bind-32:9.18.33-15.el10_2.10.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xbind32:9.18.33-15.el10_2.10bind-32:9.18.33-15.el10_2.10.s390x.rpm
Red Hat Enterprise Linux10.2x86_64bind32:9.18.33-15.el10_2.10bind-32:9.18.33-15.el10_2.10.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64bind-chroot32:9.18.33-15.el10_2.10bind-chroot-32:9.18.33-15.el10_2.10.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lebind-chroot32:9.18.33-15.el10_2.10bind-chroot-32:9.18.33-15.el10_2.10.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xbind-chroot32:9.18.33-15.el10_2.10bind-chroot-32:9.18.33-15.el10_2.10.s390x.rpm
Red Hat Enterprise Linux10.2x86_64bind-chroot32:9.18.33-15.el10_2.10bind-chroot-32:9.18.33-15.el10_2.10.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64bind-debuginfo32:9.18.33-15.el10_2.10bind-debuginfo-32:9.18.33-15.el10_2.10.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lebind-debuginfo32:9.18.33-15.el10_2.10bind-debuginfo-32:9.18.33-15.el10_2.10.ppc64le.rpm
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20 Aug 2026 15:18Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.17.5
EPSS0.00509
SSVC
4