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unbound: Unbound domain hijacking via promiscuous records

🗓️ 19 May 2026 13:52:39Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 14 Views

Unbound domain hijacking via promiscuous NS records allows updating delegation data from malicious replies.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB		CVE-2026-42960
20 May 202609:21
–attackerkb
nessus
Tenable Nessus		Amazon Linux 2023 : python3-unbound, unbound, unbound-anchor (ALAS2023-2025-1256)
7 Nov 202500:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2023 : python3-unbound, unbound, unbound-anchor (ALAS2023-2025-1315)
9 Dec 202500:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : unbound, --advisory ALAS2-2025-3095 (ALAS-2025-3095)
8 Dec 202500:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : unbound, --advisory ALAS2UNBOUND-1.17-2025-006 (ALASUNBOUND-1.17-2025-006)
5 Nov 202500:00
–nessus
nessus
Tenable Nessus		Amazon Linux 2 : unbound, --advisory ALAS2UNBOUND-1.17-2025-007 (ALASUNBOUND-1.17-2025-007)
8 Dec 202500:00
–nessus
nessus
Tenable Nessus		Debian dla-4365 : libunbound-dev - security update
5 Nov 202500:00
–nessus
nessus
Tenable Nessus		Debian dsa-6071 : libunbound-dev - security update
4 Dec 202500:00
–nessus
nessus
Tenable Nessus		EulerOS 2.0 SP10 : unbound (EulerOS-SA-2026-1039)
15 Jan 202600:00
–nessus
nessus
Tenable Nessus		EulerOS 2.0 SP10 : unbound (EulerOS-SA-2026-1060)
15 Jan 202600:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64python3-unbound1.24.2-2.el9python3-unbound-1.24.2-2.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lepython3-unbound1.24.2-2.el9python3-unbound-1.24.2-2.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xpython3-unbound1.24.2-2.el9python3-unbound-1.24.2-2.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64python3-unbound1.24.2-2.el9python3-unbound-1.24.2-2.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64python3-unbound-debuginfo1.24.2-2.el9python3-unbound-debuginfo-1.24.2-2.el9.aarch64.rpm
Red Hat Enterprise Linux9i686python3-unbound-debuginfo1.24.2-2.el9python3-unbound-debuginfo-1.24.2-2.el9.i686.rpm
Red Hat Enterprise Linux9ppc64lepython3-unbound-debuginfo1.24.2-2.el9python3-unbound-debuginfo-1.24.2-2.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xpython3-unbound-debuginfo1.24.2-2.el9python3-unbound-debuginfo-1.24.2-2.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64python3-unbound-debuginfo1.24.2-2.el9python3-unbound-debuginfo-1.24.2-2.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64unbound1.24.2-2.el9unbound-1.24.2-2.el9.aarch64.rpm
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21 Aug 2026 17:11Current
7.3High risk
Vulners AI Score7.3
CVSS 47.1
EPSS0.00319
SSVC
CWE-349
unbound domaindomain hijackingname server recordsdelegation updatemalicious replies
14