| Package | Affected versions | Patched versions |
|---|---|---|
| dhcp | = 4.0= 4.0.0= 4.0.1= 4.1.0= 4.1.1= 4.2.0 |
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.
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