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bind: Resource exhaustion via malformed DNSKEY handling

🗓️ 12 Nov 2025 10:44:58Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

BIND 9 DNS resolver can exhaust resources from malformed DNSKEYs, enabling remote unauthenticated DoS.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64bind9.1832:9.18.29-5.el9_7.2bind9.18-32:9.18.29-5.el9_7.2.aarch64.rpm
Red Hat Enterprise Linux9ppc64lebind9.1832:9.18.29-5.el9_7.2bind9.18-32:9.18.29-5.el9_7.2.ppc64le.rpm
Red Hat Enterprise Linux9s390xbind9.1832:9.18.29-5.el9_7.2bind9.18-32:9.18.29-5.el9_7.2.s390x.rpm
Red Hat Enterprise Linux9x86_64bind9.1832:9.18.29-5.el9_7.2bind9.18-32:9.18.29-5.el9_7.2.x86_64.rpm
Red Hat Enterprise Linux9aarch64bind9.18-chroot32:9.18.29-5.el9_7.2bind9.18-chroot-32:9.18.29-5.el9_7.2.aarch64.rpm
Red Hat Enterprise Linux9ppc64lebind9.18-chroot32:9.18.29-5.el9_7.2bind9.18-chroot-32:9.18.29-5.el9_7.2.ppc64le.rpm
Red Hat Enterprise Linux9s390xbind9.18-chroot32:9.18.29-5.el9_7.2bind9.18-chroot-32:9.18.29-5.el9_7.2.s390x.rpm
Red Hat Enterprise Linux9x86_64bind9.18-chroot32:9.18.29-5.el9_7.2bind9.18-chroot-32:9.18.29-5.el9_7.2.x86_64.rpm
Red Hat Enterprise Linux9aarch64bind9.18-debuginfo32:9.18.29-5.el9_7.2bind9.18-debuginfo-32:9.18.29-5.el9_7.2.aarch64.rpm
Red Hat Enterprise Linux9ppc64lebind9.18-debuginfo32:9.18.29-5.el9_7.2bind9.18-debuginfo-32:9.18.29-5.el9_7.2.ppc64le.rpm
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07 Jul 2026 01:52Current
6Medium risk
Vulners AI Score6
CVSS 3.17.5
EPSS0.1096
SSVC
3