USN-4969-1 fixed a vulnerability in DHCP. This update provides the corresponding update for Ubuntu 14.04 ESM and 16.04 ESM.
Original advisory details:
Jon Franklin and Pawel Wieczorkiewicz discovered that DHCP incorrectly handled lease file parsing. A remote attacker could possibly use this issue to cause DHCP to crash, resulting in a denial of service.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-client" }, { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-client-dbg" }, { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-client-dbgsym" }, { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-client-noddns" }, { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-client-udeb" }, { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-client-udeb-dbgsym" }, { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-common" }, { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-common-dbgsym" }, { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-dev" }, { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-relay" }, { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-relay-dbg" }, { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-relay-dbgsym" }, { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-server" }, { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-server-dbg" }, { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-server-dbgsym" }, { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-server-ldap" }, { "binary_version": "4.2.4-7ubuntu12.13+esm1", "binary_name": "isc-dhcp-server-ldap-dbgsym" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-client" }, { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-client-dbgsym" }, { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-client-ddns" }, { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-client-ddns-dbgsym" }, { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-client-udeb" }, { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-client-udeb-dbgsym" }, { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-common" }, { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-common-dbgsym" }, { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-dbg" }, { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-dev" }, { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-dev-dbgsym" }, { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-relay" }, { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-relay-dbgsym" }, { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-server" }, { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-server-dbgsym" }, { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-server-ldap" }, { "binary_version": "4.3.3-5ubuntu12.10+esm1", "binary_name": "isc-dhcp-server-ldap-dbgsym" } ] }