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unbound: specially crafted request can lead to denial of service

🗓️ 19 Nov 2015 06:44:17Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 3 Views

Unbound denial of service flaw can be exploited to cause endless delegations loop and resource exhaustion.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
FreeBSD		unbound -- can be tricked into following an endless series of delegations, this consumes a lot of resources
8 Dec 201400:00
–freebsd
ArchLinux		unbound: denial of service
9 Dec 201400:00
–archlinux
Tenable Nessus		CentOS 7 : unbound (CESA-2015:2455)
2 Dec 201500:00
–nessus
Tenable Nessus		Debian DLA-107-1 : unbound security update
26 Mar 201500:00
–nessus
Tenable Nessus		Debian DSA-3097-1 : unbound - security update
15 Dec 201400:00
–nessus
Tenable Nessus		F5 Networks BIG-IP : Unbound vulnerability (SOL15931)
26 Dec 201400:00
–nessus
Tenable Nessus		Fedora 21 : unbound-1.5.1-2.fc21 (2014-16647)
22 Dec 201400:00
–nessus
Tenable Nessus		Fedora 20 : unbound-1.5.1-2.fc20 (2014-16671)
22 Dec 201400:00
–nessus
Tenable Nessus		FreeBSD : unbound -- can be tricked into following an endless series of delegations, this consumes a lot of resources (10d73529-7f4b-11e4-af66-00215af774f0)
9 Dec 201400:00
–nessus
Tenable Nessus		MiracleLinux 7 : unbound-1.4.20-26.el7 (AXSA:2015-838:01)
16 Jan 202600:00
–nessus
Rows per page
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7aarch64unbound0:1.4.20-26.el7unbound-0:1.4.20-26.el7.aarch64.rpm
Red Hat Enterprise Linux7ppc64unbound0:1.4.20-26.el7unbound-0:1.4.20-26.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64leunbound0:1.4.20-26.el7unbound-0:1.4.20-26.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390xunbound0:1.4.20-26.el7unbound-0:1.4.20-26.el7.s390x.rpm
Red Hat Enterprise Linux7x86_64unbound0:1.4.20-26.el7unbound-0:1.4.20-26.el7.x86_64.rpm
Red Hat Enterprise Linux7aarch64unbound-debuginfo0:1.4.20-26.el7unbound-debuginfo-0:1.4.20-26.el7.aarch64.rpm
Red Hat Enterprise Linux7ppcunbound-debuginfo0:1.4.20-26.el7unbound-debuginfo-0:1.4.20-26.el7.ppc.rpm
Red Hat Enterprise Linux7ppc64unbound-debuginfo0:1.4.20-26.el7unbound-debuginfo-0:1.4.20-26.el7.ppc64.rpm
Red Hat Enterprise Linux7ppc64leunbound-debuginfo0:1.4.20-26.el7unbound-debuginfo-0:1.4.20-26.el7.ppc64le.rpm
Red Hat Enterprise Linux7s390unbound-debuginfo0:1.4.20-26.el7unbound-debuginfo-0:1.4.20-26.el7.s390.rpm
Rows per page

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25 Jun 2026 10:44Current
5.7Medium risk
Vulners AI Score5.7
CVSS 24.3
EPSS0.25205
CWE-770
unbounddenial of serviceendless loopdelegations loopresource exhaustionresolver
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