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unbound: Unbound: DNS cache poisoning via UDP source port predictability

🗓️ 16 Sep 2026 18:20:50Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

Unbound SO_REUSEPORT UDP port predictability enables DNS cache poisoning and traffic redirection.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.2aarch64python3-unbound1.24.2-7.el10_2.5python3-unbound-1.24.2-7.el10_2.5.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lepython3-unbound1.24.2-7.el10_2.5python3-unbound-1.24.2-7.el10_2.5.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xpython3-unbound1.24.2-7.el10_2.5python3-unbound-1.24.2-7.el10_2.5.s390x.rpm
Red Hat Enterprise Linux10.2x86_64python3-unbound1.24.2-7.el10_2.5python3-unbound-1.24.2-7.el10_2.5.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64python3-unbound-debuginfo1.24.2-7.el10_2.5python3-unbound-debuginfo-1.24.2-7.el10_2.5.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lepython3-unbound-debuginfo1.24.2-7.el10_2.5python3-unbound-debuginfo-1.24.2-7.el10_2.5.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xpython3-unbound-debuginfo1.24.2-7.el10_2.5python3-unbound-debuginfo-1.24.2-7.el10_2.5.s390x.rpm
Red Hat Enterprise Linux10.2x86_64python3-unbound-debuginfo1.24.2-7.el10_2.5python3-unbound-debuginfo-1.24.2-7.el10_2.5.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64unbound1.24.2-7.el10_2.5unbound-1.24.2-7.el10_2.5.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64leunbound1.24.2-7.el10_2.5unbound-1.24.2-7.el10_2.5.ppc64le.rpm
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16 Sep 2026 23:35Current
CVSS 3.19.3
CVSS 47.1
EPSS0.00163
SSVC
4