The access permissions for a UNIX domain socket are ignored in Solaris 2.x and SunOS 4.x, and other BSD-based operating systems before 4.4, which could allow local users to connect to the socket and possibly disrupt or control the operations of the program using that socket.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Freebsd | Freebsd | 2.2.2 (including) | 2.2.2 (including) |
| Freebsd | Freebsd | 2.2.3 (including) | 2.2.3 (including) |
| Freebsd | Freebsd | 2.2.4 (including) | 2.2.4 (including) |
| Freebsd | Freebsd | 2.2.5 (including) | 2.2.5 (including) |
| Freebsd | Freebsd | 2.2.6 (including) | 2.2.6 (including) |
| Freebsd | Freebsd | 2.2.8 (including) | 2.2.8 (including) |
| Freebsd | Freebsd | 3.0 (including) | 3.0 (including) |
| Freebsd | Freebsd | 3.1 (including) | 3.1 (including) |
| Solaris | Sun | 2.5 (including) | 2.5 (including) |
| Solaris | Sun | 2.5.1 (including) | 2.5.1 (including) |
| Solaris | Sun | 2.6 (including) | 2.6 (including) |
| Sunos | Sun | - (including) | - (including) |
| Sunos | Sun | 4.0 (including) | 4.0 (including) |
| Sunos | Sun | 5.0 (including) | 5.0 (including) |
| Sunos | Sun | 5.5 (including) | 5.5 (including) |
| Sunos | Sun | 5.5.1 (including) | 5.5.1 (including) |