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This article was originally published on the Red Hat Customer Portal. The information may no longer be current.
Although Red Hat is well known for Red Hat Enterprise Linux we actually have a large number of other supported products, both layered on top of Enterprise Linux (like Red Hat Application Stack) and stand-alone (like Red Hat Directory Server). The majority of these products are serviced through the Red Hat Network and get our security advisories in a standard way and are included in the Security Response Team metrics. But our analysis scripts were not particularly consistent in dealing with product names.
Common Platform Enumeration (CPE) is a naming scheme designed to combat these inconsistencies, and is part of the 'making security measurable' initiative from Mitre. From today we're supporting CPE in our Security Response Team metrics: we publish a mapping of Red Hat advisories to both CVE and CPE platforms (updated daily) and you can use CPE to filter the metrics. Some examples of CPE names:
cpe://redhat:enterprise_linux:5:server/firefox -- the Firefox browser package on Red Hat Enterprise Linux 5 server.
cpe://redhat:enterprise_linux:3 -- Red Hat Enterprise Linux 3
cpe://redhat/xpdf -- the xpdf package in any Red Hat product.
cpe://redhat:rhel_application_stack:1 -- Red Hat Application Stack version 1