The openscap project is a set of open source libraries that support the SCAP (Security Content Automation Protocol) set of standards from NIST. It supports CPE, CCE, CVE, CVSS, OVAL, and XCCDF.
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This release adds new probes and schemas for OVAL 5.8 support, has RHEL6 SCAP content improvements, creates an "analyse" mode in the oscap tool, supports validation against schematron rules, and has many bugfixes.