RubyGems version Ruby 2.2 series: 2.2.9 and earlier, Ruby 2.3 series: 2.3.6 and earlier, Ruby 2.4 series: 2.4.3 and earlier, Ruby 2.5 series: 2.5.0 and earlier, prior to trunk revision 62422 contains a Directory Traversal vulnerability in install_location function of package.rb that can result in path traversal when writing to a symlinked basedir outside of the root. This vulnerability appears to have been fixed in 2.7.6.
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "libruby2.0-dbgsym": "2.0.0.484-1ubuntu2.6", "libruby2.0": "2.0.0.484-1ubuntu2.6", "ruby2.0-tcltk-dbgsym": "2.0.0.484-1ubuntu2.6", "ruby2.0-doc": "2.0.0.484-1ubuntu2.6", "ruby2.0-dev": "2.0.0.484-1ubuntu2.6", "ruby2.0-dbgsym": "2.0.0.484-1ubuntu2.6", "ruby2.0-tcltk": "2.0.0.484-1ubuntu2.6", "ruby2.0": "2.0.0.484-1ubuntu2.6" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "libruby2.3-dbgsym": "2.3.1-2~16.04.7", "ruby2.3-tcltk": "2.3.1-2~16.04.7", "ruby2.3-dev-dbgsym": "2.3.1-2~16.04.7", "libruby2.3-dbg": "2.3.1-2~16.04.7", "ruby2.3-dev": "2.3.1-2~16.04.7", "ruby2.3-dbgsym": "2.3.1-2~16.04.7", "libruby2.3": "2.3.1-2~16.04.7", "ruby2.3-tcltk-dbgsym": "2.3.1-2~16.04.7", "ruby2.3": "2.3.1-2~16.04.7", "ruby2.3-doc": "2.3.1-2~16.04.7" } ] }