In pwgen, phonemes mode was found to have heavy bias and is enabled by default.
A workaround is suggested to add an argument --insecure-phonemes (or -P).
There seems to be a patch here saying it fixes most of the issues:
Created pwgen tracking bugs for this issue:
Affects: fedora-all [bug 1020249]
Affects: epel-all [bug 1020250]
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.