ISC DHCP server 4.0 before 4.0.2, 4.1 before 4.1.2, and 4.2 before 4.2.0-P1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a DHCPv6 packet containing a Relay-Forward message without an address in the Relay-Forward link-address field.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Dhcp | Isc | 4.0 (including) | 4.0 (including) |
| Dhcp | Isc | 4.0.0 (including) | 4.0.0 (including) |
| Dhcp | Isc | 4.0.1 (including) | 4.0.1 (including) |
| Dhcp | Isc | 4.0.1-b1 (including) | 4.0.1-b1 (including) |
| Dhcp | Isc | 4.0.1-rc1 (including) | 4.0.1-rc1 (including) |
| Dhcp | Isc | 4.1.0 (including) | 4.1.0 (including) |
| Dhcp | Isc | 4.1.1 (including) | 4.1.1 (including) |
| Dhcp | Isc | 4.1.1-b1 (including) | 4.1.1-b1 (including) |
| Dhcp | Isc | 4.1.1-b2 (including) | 4.1.1-b2 (including) |
| Dhcp | Isc | 4.1.1-b3 (including) | 4.1.1-b3 (including) |
| Dhcp | Isc | 4.1.1-rc1 (including) | 4.1.1-rc1 (including) |
| Dhcp | Isc | 4.2.0 (including) | 4.2.0 (including) |
| Dhcp | Isc | 4.2.0-a1 (including) | 4.2.0-a1 (including) |
| Dhcp | Isc | 4.2.0-a2 (including) | 4.2.0-a2 (including) |
| Dhcp | Isc | 4.2.0-b1 (including) | 4.2.0-b1 (including) |
| Dhcp | Isc | 4.2.0-b2 (including) | 4.2.0-b2 (including) |
| Dhcp | Isc | 4.2.0-rc1 (including) | 4.2.0-rc1 (including) |