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Red Hat OpenStack Platform includes the dnsmasq-utils RPM which does not contain this flaw's affected code-paths; Red Hat OpenStack Platform is therefore listed as not affected.
However, because all versions of Red Hat OpenStack Platform are based on Red Hat Enterprise Linux, all Red Hat OpenStack Platform users should absolutely upgrade the dnsmasq RPM from Red Hat Enterprise Linux as a matter of urgency using standard update mechanisms (such as 'yum update' or 'openstack overcloud update').
CVSS v2 metrics
CVSS v3 metrics
|CVSS3 Base Score||7.5|
|CVSS3 Base Metrics||CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H|
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
Red Hat Security Errata
|Red Hat Enterprise Linux 7 (dnsmasq)||RHSA-2017:2836||2017-10-02|