Emacs 20 does not properly set permissions for a slave PTY device when starting a new subprocess, which allows local users to read or modify communications between Emacs and the subprocess.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Emacs | Gnu | 20.0 (including) | 20.0 (including) |
| Emacs | Gnu | 20.1 (including) | 20.1 (including) |
| Emacs | Gnu | 20.2 (including) | 20.2 (including) |
| Emacs | Gnu | 20.3 (including) | 20.3 (including) |
| Emacs | Gnu | 20.4 (including) | 20.4 (including) |
| Emacs | Gnu | 20.5 (including) | 20.5 (including) |
| Emacs | Gnu | 20.6 (including) | 20.6 (including) |