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bind: An assertion check can fail while answering queries for DNAME records that require the DNAME to be processed to resolve itself

🗓️ 29 Apr 2021 15:22:04Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 2 Views

Bind flaw: Domain name redirection may duplicate the answer record, triggering an assertion failure.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
ALT Linux		Security fix for the ALT Linux 10 package bind version 9.11.31-alt1
29 Apr 202100:00
–altlinux
ALT Linux		Security fix for the ALT Linux 9 package bind version 9.11.31-alt1
12 May 202100:00
–altlinux
ALT Linux		Security fix for the ALT Linux 8 package bind version 9.10.8.P1-alt4
13 May 202100:00
–altlinux
IBM Security Bulletins		Security Bulletin: Vulnerability in bind (CVE-2021-25215)
23 Sep 202101:53
–ibm
IBM Security Bulletins		Security Bulletin: IBM QRadar Network Packet Capture is vulnerable to using components with known vulnerabilities
30 Jul 202105:04
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerability in BIND affects AIX (CVE-2021-25215)
4 Nov 202117:50
–ibm
IBM Security Bulletins		Security Bulletin: Cloud Pak for Security uses packages that are vulnerable to several CVEs
19 Oct 202115:38
–ibm
IBM Security Bulletins		Security Bulletin: Publicly disclosed vulnerabilities from Bind affect IBM Netezza Host Management
23 Sep 202104:02
–ibm
IBM Security Bulletins		Security Bulletin: A vulnerability in ISC BIND affects IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data (CVE-2021-25215)
12 Jan 202321:59
–ibm
IBM Security Bulletins		Security Bulletin: Vulnerability in bind (CVE-2021-25215) affects Power HMC
22 Nov 202105:46
–ibm
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64bind32:9.11.4-26.P2.el7_9.5bind-32:9.11.4-26.P2.el7_9.5.ppc64.rpm
Red Hat Enterprise Linux7ppc64lebind32:9.11.4-26.P2.el7_9.5bind-32:9.11.4-26.P2.el7_9.5.ppc64le.rpm
Red Hat Enterprise Linux7s390xbind32:9.11.4-26.P2.el7_9.5bind-32:9.11.4-26.P2.el7_9.5.s390x.rpm
Red Hat Enterprise Linux7x86_64bind32:9.11.4-26.P2.el7_9.5bind-32:9.11.4-26.P2.el7_9.5.x86_64.rpm
Red Hat Enterprise Linux7ppc64bind-chroot32:9.11.4-26.P2.el7_9.5bind-chroot-32:9.11.4-26.P2.el7_9.5.ppc64.rpm
Red Hat Enterprise Linux7ppc64lebind-chroot32:9.11.4-26.P2.el7_9.5bind-chroot-32:9.11.4-26.P2.el7_9.5.ppc64le.rpm
Red Hat Enterprise Linux7s390xbind-chroot32:9.11.4-26.P2.el7_9.5bind-chroot-32:9.11.4-26.P2.el7_9.5.s390x.rpm
Red Hat Enterprise Linux7x86_64bind-chroot32:9.11.4-26.P2.el7_9.5bind-chroot-32:9.11.4-26.P2.el7_9.5.x86_64.rpm
Red Hat Enterprise Linux7ppcbind-debuginfo32:9.11.4-26.P2.el7_9.5bind-debuginfo-32:9.11.4-26.P2.el7_9.5.ppc.rpm
Red Hat Enterprise Linux7ppc64bind-debuginfo32:9.11.4-26.P2.el7_9.5bind-debuginfo-32:9.11.4-26.P2.el7_9.5.ppc64.rpm
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25 Jun 2026 10:58Current
6.7Medium risk
Vulners AI Score6.7
CVSS 25
CVSS 3.17.5
EPSS0.11296
CWE-617
bind vulnerabilitydomain name redirectionrecord processingassertion failureavailability impact
2