Feature #1800: rubygems can replace system executable files http://redmine.ruby-lang.org/issues/show/1800 Author: Kazuhiro NISHIYAMA Status: Open, Priority: Normal Japanese blog http://wota.jp/ac/?date=20090604#p01 says, gem has bin/ls and Gem::Specification#executables= ["ls"], rubygem overwrites /usr/bin/ls without confirming. I think this is potential security risk. ---------------------------------------- http://redmine.ruby-lang.org