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freeradius: Infinite loop and memory exhaustion with 'concat' attributes

🗓️ 01 Aug 2017 15:45:02Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 4 Views

FreeRADIUS denial of service via crafted requests using concat attributes causes infinite loops and exhaustion.

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Packages
Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux7ppc64freeradius0:3.0.13-8.el7_4freeradius-0:3.0.13-8.el7_4.ppc64.rpm
Red Hat Enterprise Linux7ppc64lefreeradius0:3.0.13-8.el7_4freeradius-0:3.0.13-8.el7_4.ppc64le.rpm
Red Hat Enterprise Linux7s390xfreeradius0:3.0.13-8.el7_4freeradius-0:3.0.13-8.el7_4.s390x.rpm
Red Hat Enterprise Linux7x86_64freeradius0:3.0.13-8.el7_4freeradius-0:3.0.13-8.el7_4.x86_64.rpm
Red Hat Enterprise Linux7aarch64freeradius-debuginfo0:3.0.13-8.el7_4freeradius-debuginfo-0:3.0.13-8.el7_4.aarch64.rpm
Red Hat Enterprise Linux7ppcfreeradius-debuginfo0:3.0.13-8.el7_4freeradius-debuginfo-0:3.0.13-8.el7_4.ppc.rpm
Red Hat Enterprise Linux7ppc64freeradius-debuginfo0:3.0.13-8.el7_4freeradius-debuginfo-0:3.0.13-8.el7_4.ppc64.rpm
Red Hat Enterprise Linux7ppc64lefreeradius-debuginfo0:3.0.13-8.el7_4freeradius-debuginfo-0:3.0.13-8.el7_4.ppc64le.rpm
Red Hat Enterprise Linux7s390freeradius-debuginfo0:3.0.13-8.el7_4freeradius-debuginfo-0:3.0.13-8.el7_4.s390.rpm
Red Hat Enterprise Linux7s390xfreeradius-debuginfo0:3.0.13-8.el7_4freeradius-debuginfo-0:3.0.13-8.el7_4.s390x.rpm
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25 Jun 2026 10:50Current
5.8Medium risk
Vulners AI Score5.8
CVSS 37.5
CVSS 27.8
EPSS0.02234
4