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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Self tests were improved. All input files are now validated. Substitution support was added to XCCDF. A minor security issue was fixed. There were also bugfixes and cleanups.