Ruby through 2.4.7, 2.5.x through 2.5.6, and 2.6.x through 2.6.4 mishandles path checking within File.fnmatch functions.
| Software | From | Fixed in |
|---|---|---|
| ruby-lang / ruby | 2.6.0 | 2.6.4.x |
| ruby-lang / ruby | 2.5.0 | 2.5.6.x |
| ruby-lang / ruby | 2.4.0 | 2.4.7.x |
| canonical / ubuntu_linux | 16.04 | 16.04.x |
| canonical / ubuntu_linux | 18.04 | 18.04.x |
| canonical / ubuntu_linux | 19.04 | 19.04.x |
| canonical / ubuntu_linux | 19.10 | 19.10.x |