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glibc: glibc: Invalid DNS hostname returned via gethostbyaddr functions

🗓️ 26 May 2026 10:23:46Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 26 Views

glibc flaw: gethostbyaddr may return an invalid DNS hostname when using a domain name system backend

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux9.8aarch64glibc2.34-270.el9_8glibc-2.34-270.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8i686glibc2.34-270.el9_8glibc-2.34-270.el9_8.i686.rpm
Red Hat Enterprise Linux9.8ppc64leglibc2.34-270.el9_8glibc-2.34-270.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xglibc2.34-270.el9_8glibc-2.34-270.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64glibc2.34-270.el9_8glibc-2.34-270.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64glibc-all-langpacks2.34-270.el9_8glibc-all-langpacks-2.34-270.el9_8.aarch64.rpm
Red Hat Enterprise Linux9.8ppc64leglibc-all-langpacks2.34-270.el9_8glibc-all-langpacks-2.34-270.el9_8.ppc64le.rpm
Red Hat Enterprise Linux9.8s390xglibc-all-langpacks2.34-270.el9_8glibc-all-langpacks-2.34-270.el9_8.s390x.rpm
Red Hat Enterprise Linux9.8x86_64glibc-all-langpacks2.34-270.el9_8glibc-all-langpacks-2.34-270.el9_8.x86_64.rpm
Red Hat Enterprise Linux9.8aarch64glibc-benchtests2.34-270.el9_8glibc-benchtests-2.34-270.el9_8.aarch64.rpm
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25 Aug 2026 09:42Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.15.4
EPSS0.00316
SSVC
26