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bind: BIND: Denial of Service via specially crafted DNS messages

🗓️ 26 Aug 2026 19:53:30Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

DoS in BIND named daemon via crafted DNS messages with unusual classes causing assertion failures.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7.9ppc64bind32:9.11.4-26.P2.el7_9.21bind-32:9.11.4-26.P2.el7_9.21.ppc64.rpm
Red Hat Enterprise Linux7.9ppc64lebind32:9.11.4-26.P2.el7_9.21bind-32:9.11.4-26.P2.el7_9.21.ppc64le.rpm
Red Hat Enterprise Linux7.9s390xbind32:9.11.4-26.P2.el7_9.21bind-32:9.11.4-26.P2.el7_9.21.s390x.rpm
Red Hat Enterprise Linux7.9x86_64bind32:9.11.4-26.P2.el7_9.21bind-32:9.11.4-26.P2.el7_9.21.x86_64.rpm
Red Hat Enterprise Linux7.9i686bind-export-libs32:9.11.4-26.P2.el7_9.21bind-export-libs-32:9.11.4-26.P2.el7_9.21.i686.rpm
Red Hat Enterprise Linux7.9ppcbind-export-libs32:9.11.4-26.P2.el7_9.21bind-export-libs-32:9.11.4-26.P2.el7_9.21.ppc.rpm
Red Hat Enterprise Linux7.9ppc64bind-export-libs32:9.11.4-26.P2.el7_9.21bind-export-libs-32:9.11.4-26.P2.el7_9.21.ppc64.rpm
Red Hat Enterprise Linux7.9ppc64lebind-export-libs32:9.11.4-26.P2.el7_9.21bind-export-libs-32:9.11.4-26.P2.el7_9.21.ppc64le.rpm
Red Hat Enterprise Linux7.9s390bind-export-libs32:9.11.4-26.P2.el7_9.21bind-export-libs-32:9.11.4-26.P2.el7_9.21.s390.rpm
Red Hat Enterprise Linux7.9s390xbind-export-libs32:9.11.4-26.P2.el7_9.21bind-export-libs-32:9.11.4-26.P2.el7_9.21.s390x.rpm
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27 Aug 2026 14:47Current
7.2High risk
Vulners AI Score7.2
CVSS 3.17.5
EPSS0.01874
SSVC
2