This package uses eclasses which were vulnerable to root privilege escalation via "chown", see bug 630822 for details. The eclasses were fixed, however a rev bump is required to ensure that the vulnerability is completely removed.
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=f83155f18d53fdead7a4cd3679b612d112897252 commit f83155f18d53fdead7a4cd3679b612d112897252 Author: Thomas Deutschmann <whissi@gentoo.org> AuthorDate: 2017-10-28 18:10:07 +0000 Commit: Thomas Deutschmann <whissi@gentoo.org> CommitDate: 2017-10-28 18:10:57 +0000 dev-db/mysql-cluster: Rev bump to fix CVE-2017-15945 Bug: https://bugs.gentoo.org/635708 Package-Manager: Portage-2.3.13, Repoman-2.3.4 .../mysql-cluster/mysql-cluster-7.2.22-r1.ebuild | 124 ++++++++++++++++++ .../mysql-cluster/mysql-cluster-7.3.11-r1.ebuild | 143 +++++++++++++++++++++ 2 files changed, 267 insertions(+)}
All done, repository is clean.