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unbound: NRDelegation attack leads to uncontrolled resource consumption (Non-Responsive Delegation Attack)

🗓️ 09 May 2023 10:02:53Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 10 Views

Unbound Non-Responsive Delegation Attack causes high resource use and denial of service via unresponsive delegation NS records.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
freebsd		unbound -- Non-Responsive Delegation Attack
26 Sep 202200:00
–freebsd
ibm		Security Bulletin: Multiple Security Vulnerabilities may affect IBM Robotic Process Automation for Cloud Pak.
26 Mar 202503:30
–ibm
ibm		Security Bulletin: Multiple Security Vulnerabilities may affect IBM Robotic Process Automation for Cloud Pak.
2 Feb 202303:37
–ibm
nessus		Amazon Linux 2022 : python3-unbound, unbound, unbound-anchor (ALAS2022-2023-265)
25 Jan 202300:00
–nessus
nessus		Amazon Linux 2023 : python3-unbound, unbound, unbound-anchor (ALAS2023-2023-078)
21 Mar 202300:00
–nessus
nessus		Amazon Linux 2 : unbound (ALAS-2024-2467)
19 Feb 202400:00
–nessus
nessus		Alibaba Cloud Linux 3 : 0027: unbound (ALINUX3-SA-2024:0027)
14 May 202500:00
–nessus
nessus		AlmaLinux 9 : unbound (ALSA-2023:2370)
14 May 202300:00
–nessus
nessus		AlmaLinux 8 : unbound (ALSA-2023:2771)
20 May 202300:00
–nessus
nessus		CentOS 8 : unbound (CESA-2023:2771)
16 May 202300:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64python3-unbound1.16.2-3.el9python3-unbound-1.16.2-3.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lepython3-unbound1.16.2-3.el9python3-unbound-1.16.2-3.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xpython3-unbound1.16.2-3.el9python3-unbound-1.16.2-3.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64python3-unbound1.16.2-3.el9python3-unbound-1.16.2-3.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64python3-unbound-debuginfo1.16.2-3.el9python3-unbound-debuginfo-1.16.2-3.el9.aarch64.rpm
Red Hat Enterprise Linux9i686python3-unbound-debuginfo1.16.2-3.el9python3-unbound-debuginfo-1.16.2-3.el9.i686.rpm
Red Hat Enterprise Linux9ppc64lepython3-unbound-debuginfo1.16.2-3.el9python3-unbound-debuginfo-1.16.2-3.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xpython3-unbound-debuginfo1.16.2-3.el9python3-unbound-debuginfo-1.16.2-3.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64python3-unbound-debuginfo1.16.2-3.el9python3-unbound-debuginfo-1.16.2-3.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64unbound1.16.2-3.el9unbound-1.16.2-3.el9.aarch64.rpm
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25 Jun 2026 11:02Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.17.5
EPSS0.01293
SSVC
UnboundNon Responsive DelegationDenial of ServiceResource Exhaustion
10