This update for dhcp fixes the following issues: - CVE-2015-8605: A remote attacker could have used badly formed packets with an invalid IPv4 UDP length field to cause a DHCP server, client, or relay program to terminate abnormally The following bugs were fixed: - bsc#936923: Improper lease duration checking - bsc#880984: Integer overflows in the date and time handling code - bsc#947780: DHCP server could abort with Unable to set up timer: out of range on very long or infinite timer intervals / lease lifetimes - bsc#926159: DHCP preferrend and valid lifetime would be logged incorrectly - bsc#928390: dhclient dit not expose next-server DHCPv4 option to script - bsc#926159: DHCP preferrend and valid lifetime would be logged incorrectly