GNU Troff (Groff) is a text formatter used for man pages.
Multiple vulnerabilities have been discovered in Groff. Please review the CVE identifiers referenced below for details.
A context-dependent attacker could perform symlink attacks to overwrite arbitrary files with the privileges of the user running the application.
There is no known workaround at this time.
All Groff users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose ">=sys-apps/groff-1.22.2"