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bind: Resource exhaustion via malformed DNSKEY handling

🗓️ 19 May 2026 13:52:21Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 9 Views

Resolver exhaustion from malformed domain key records enables attackers to cause denial of service.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
IBM Security Bulletins		Security Bulletin: Vulnerability in BIND affects IBM Netezza Appliance
16 Dec 202510:59
–ibm
IBM Security Bulletins		Security Bulletin: Multiple vulnerabilities impact AIX/VIOS due to ISC BIND (CVE-2025-40778, CVE-2025-40780, CVE-2025-8677)
18 Feb 202615:04
–ibm
IBM Security Bulletins		Security Bulletin: IBM i is affected by BIND accepting records with untrusted data, predictable port and query ID, and resource exhaustions in Domain Name System due to multiple vulnerabilities.
6 Nov 202514:45
–ibm
Tenable Nessus		Amazon Linux 2023 : bind, bind-chroot, bind-devel (ALAS2023-2025-1255)
7 Nov 202500:00
–nessus
Tenable Nessus		Amazon Linux 2 : bind, --advisory ALAS2-2025-3054 (ALAS-2025-3054)
5 Nov 202500:00
–nessus
Tenable Nessus		Alibaba Cloud Linux 3 : 0171: bind (ALINUX3-SA-2025:0171)
17 Nov 202500:00
–nessus
Tenable Nessus		AlmaLinux 10 : bind (ALSA-2025:19912)
10 Nov 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : bind9.18 (ALSA-2025:19950)
19 Nov 202500:00
–nessus
Tenable Nessus		AlmaLinux 10 : bind (ALSA-2025:21034)
25 Nov 202500:00
–nessus
Tenable Nessus		AlmaLinux 9 : bind9.18 (ALSA-2025:21111)
3 Dec 202500:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64bind32:9.16.23-40.el9_8.1bind-32:9.16.23-40.el9_8.1.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lebind32:9.16.23-40.el9_8.1bind-32:9.16.23-40.el9_8.1.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xbind32:9.16.23-40.el9_8.1bind-32:9.16.23-40.el9_8.1.s390x.rpm
Red Hat Enterprise Linux9.8x86_64bind32:9.16.23-40.el9_8.1bind-32:9.16.23-40.el9_8.1.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64bind-chroot32:9.16.23-40.el9_8.1bind-chroot-32:9.16.23-40.el9_8.1.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64lebind-chroot32:9.16.23-40.el9_8.1bind-chroot-32:9.16.23-40.el9_8.1.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xbind-chroot32:9.16.23-40.el9_8.1bind-chroot-32:9.16.23-40.el9_8.1.s390x.rpm
Red Hat Enterprise Linux9.8x86_64bind-chroot32:9.16.23-40.el9_8.1bind-chroot-32:9.16.23-40.el9_8.1.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64bind-debuginfo32:9.16.23-40.el9_8.1bind-debuginfo-32:9.16.23-40.el9_8.1.aarch64.rpm
Red Hat Enterprise Linux9.8i686bind-debuginfo32:9.16.23-40.el9_8.1bind-debuginfo-32:9.16.23-40.el9_8.1.i686.rpm
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07 Jul 2026 01:47Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.17.5
EPSS0.1096
SSVC
CWE-400
resolver exhaustionmalformed domain keyremote attackersdenial of servicedomain key records
9