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bind: Improper fetch cleanup sequencing in the resolver can cause named to crash

🗓️ 22 Jan 2018 09:45:56Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

BIND has a use after free in cleanup of upstream recursion fetch contexts that can crash named.

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7aarch64bind32:9.9.4-51.el7_4.2bind-32:9.9.4-51.el7_4.2.aarch64.rpm
Red Hat Enterprise Linux7ppc64bind32:9.9.4-51.el7_4.2bind-32:9.9.4-51.el7_4.2.ppc64.rpm
Red Hat Enterprise Linux7ppc64lebind32:9.9.4-51.el7_4.2bind-32:9.9.4-51.el7_4.2.ppc64le.rpm
Red Hat Enterprise Linux7s390xbind32:9.9.4-51.el7_4.2bind-32:9.9.4-51.el7_4.2.s390x.rpm
Red Hat Enterprise Linux7x86_64bind32:9.9.4-51.el7_4.2bind-32:9.9.4-51.el7_4.2.x86_64.rpm
Red Hat Enterprise Linux7aarch64bind-chroot32:9.9.4-51.el7_4.2bind-chroot-32:9.9.4-51.el7_4.2.aarch64.rpm
Red Hat Enterprise Linux7ppc64bind-chroot32:9.9.4-51.el7_4.2bind-chroot-32:9.9.4-51.el7_4.2.ppc64.rpm
Red Hat Enterprise Linux7ppc64lebind-chroot32:9.9.4-51.el7_4.2bind-chroot-32:9.9.4-51.el7_4.2.ppc64le.rpm
Red Hat Enterprise Linux7s390xbind-chroot32:9.9.4-51.el7_4.2bind-chroot-32:9.9.4-51.el7_4.2.s390x.rpm
Red Hat Enterprise Linux7x86_64bind-chroot32:9.9.4-51.el7_4.2bind-chroot-32:9.9.4-51.el7_4.2.x86_64.rpm
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21 Nov 2025 18:03Current
6.8Medium risk
Vulners AI Score6.8
CVSS 25
CVSS 3.17.5
CVSS 37.5
EPSS0.0799
2