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ldns: ldns: Off-path poisoning attacks due to insufficient query-response matching

🗓️ 04 Aug 2026 00:15:58Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 10 Views

A flaw in ldns enables off-path Domain Name System cache poisoning by improper matching of query destination and response source addresses, and of query identifier and question.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.2aarch64ldns1.8.3-18.el10_2.1ldns-1.8.3-18.el10_2.1.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64leldns1.8.3-18.el10_2.1ldns-1.8.3-18.el10_2.1.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xldns1.8.3-18.el10_2.1ldns-1.8.3-18.el10_2.1.s390x.rpm
Red Hat Enterprise Linux10.2x86_64ldns1.8.3-18.el10_2.1ldns-1.8.3-18.el10_2.1.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64ldns-debuginfo1.8.3-18.el10_2.1ldns-debuginfo-1.8.3-18.el10_2.1.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64leldns-debuginfo1.8.3-18.el10_2.1ldns-debuginfo-1.8.3-18.el10_2.1.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xldns-debuginfo1.8.3-18.el10_2.1ldns-debuginfo-1.8.3-18.el10_2.1.s390x.rpm
Red Hat Enterprise Linux10.2x86_64ldns-debuginfo1.8.3-18.el10_2.1ldns-debuginfo-1.8.3-18.el10_2.1.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64ldns-debugsource1.8.3-18.el10_2.1ldns-debugsource-1.8.3-18.el10_2.1.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64leldns-debugsource1.8.3-18.el10_2.1ldns-debugsource-1.8.3-18.el10_2.1.ppc64le.rpm
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