The getnameinfo function in FreeBSD 4.1.1 and earlier, and possibly other operating systems, allows a remote attacker to cause a denial of service via a long DNS hostname.
| Name | Vendor | Start Version | End Version | 
|---|---|---|---|
| Freebsd | Freebsd | 4.0 (including) | 4.0 (including) | 
| Freebsd | Freebsd | 4.0-alpha (including) | 4.0-alpha (including) | 
| Freebsd | Freebsd | 4.1 (including) | 4.1 (including) | 
| Freebsd | Freebsd | 4.1.1 (including) | 4.1.1 (including) | 
| Freebsd | Freebsd | 4.1.1-release (including) | 4.1.1-release (including) |