OpenBSD 3.4 and NetBSD 1.6 and 1.6.1 allow remote attackers to cause a denial of service (crash) by sending an IPv6 packet with a small MTU to a listening port and then issuing a TCP connect to that port.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Netbsd | Netbsd | 1.6 (including) | 1.6 (including) |
| Netbsd | Netbsd | 1.6.1 (including) | 1.6.1 (including) |
| Openbsd | Openbsd | 3.0 (including) | 3.0 (including) |
| Openbsd | Openbsd | 3.1 (including) | 3.1 (including) |
| Openbsd | Openbsd | 3.2 (including) | 3.2 (including) |
| Openbsd | Openbsd | 3.3 (including) | 3.3 (including) |
| Openbsd | Openbsd | 3.4 (including) | 3.4 (including) |