FreeBSD 5.1 and earlier, and Mac OS X before 10.3.4, allows remote attackers to cause a denial of service (resource exhaustion of memory buffers and system crash) via a large number of out-of-sequence TCP packets, which prevents the operating system from creating new connections.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Freebsd | Freebsd | 4.6.2 (including) | 4.6.2 (including) |
| Freebsd | Freebsd | 4.7 (including) | 4.7 (including) |
| Freebsd | Freebsd | 4.8 (including) | 4.8 (including) |
| Freebsd | Freebsd | 4.9 (including) | 4.9 (including) |
| Freebsd | Freebsd | 5.0 (including) | 5.0 (including) |
| Freebsd | Freebsd | 5.1 (including) | 5.1 (including) |
| Freebsd | Freebsd | 5.2 (including) | 5.2 (including) |
| Openbsd | Openbsd | 3.3 (including) | 3.3 (including) |
| Openbsd | Openbsd | 3.4 (including) | 3.4 (including) |