options.c in atftp before 0.7.5 reads past the end of an array, and consequently discloses server-side /etc/group data to a remote client.
| Software | From | Fixed in |
|---|---|---|
| atftp_project / atftp | - | 0.7.5 |
| debian / debian_linux | 9.0 | 9.0.x |
| debian / debian_linux | 10.0 | 10.0.x |
| debian / debian_linux | 11.0 | 11.0.x |