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bind: sending specific queries to the resolver may cause a DoS

🗓️ 09 May 2023 10:02:28Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 9 Views

Bind flaw crashes resolver with stale cache and answers enabled and a positive timeout on an RRSIG query.

Related
Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9aarch64bind32:9.16.23-11.el9bind-32:9.16.23-11.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lebind32:9.16.23-11.el9bind-32:9.16.23-11.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xbind32:9.16.23-11.el9bind-32:9.16.23-11.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64bind32:9.16.23-11.el9bind-32:9.16.23-11.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64bind-chroot32:9.16.23-11.el9bind-chroot-32:9.16.23-11.el9.aarch64.rpm
Red Hat Enterprise Linux9ppc64lebind-chroot32:9.16.23-11.el9bind-chroot-32:9.16.23-11.el9.ppc64le.rpm
Red Hat Enterprise Linux9s390xbind-chroot32:9.16.23-11.el9bind-chroot-32:9.16.23-11.el9.s390x.rpm
Red Hat Enterprise Linux9x86_64bind-chroot32:9.16.23-11.el9bind-chroot-32:9.16.23-11.el9.x86_64.rpm
Red Hat Enterprise Linux9aarch64bind-debuginfo32:9.16.23-11.el9bind-debuginfo-32:9.16.23-11.el9.aarch64.rpm
Red Hat Enterprise Linux9i686bind-debuginfo32:9.16.23-11.el9bind-debuginfo-32:9.16.23-11.el9.i686.rpm
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25 Jun 2026 11:02Current
7.1High risk
Vulners AI Score7.1
CVSS 3.17.5
EPSS0.5017
SSVC
9