dev-vcs/
bfg

a faster alternative to git-filter-branch for removing bad data from git repos

https://rtyley.github.io/bfg-repo-cleaner/

There are no open security bugs.

You think something is missing here?
Start with filling a new security bug.

Please file new vulnerability reports on Gentoo Bugzilla and assign them to the Gentoo Security product and Vulnerabilities component.