server/bin/pulp-gen-ca-certificate in Pulp before 2.8.2 allows local users to read the generated private key.
https://github.com/pulp/pulp/pull/2503/commits/9f969b94c4b4f310865455d36db207de6cffebca
http://www.openwall.com/lists/oss-security/2016/04/18/11
http://www.openwall.com/lists/oss-security/2016/04/06/3
http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182006.html