In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "4.2.4-7ubuntu12.13+esm2", "binary_name": "isc-dhcp-client" }, { "binary_version": "4.2.4-7ubuntu12.13+esm2", "binary_name": "isc-dhcp-client-noddns" }, { "binary_version": "4.2.4-7ubuntu12.13+esm2", "binary_name": "isc-dhcp-common" }, { "binary_version": "4.2.4-7ubuntu12.13+esm2", "binary_name": "isc-dhcp-dev" }, { "binary_version": "4.2.4-7ubuntu12.13+esm2", "binary_name": "isc-dhcp-relay" }, { "binary_version": "4.2.4-7ubuntu12.13+esm2", "binary_name": "isc-dhcp-server" }, { "binary_version": "4.2.4-7ubuntu12.13+esm2", "binary_name": "isc-dhcp-server-ldap" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "4.3.3-5ubuntu12.10+esm2", "binary_name": "isc-dhcp-client" }, { "binary_version": "4.3.3-5ubuntu12.10+esm2", "binary_name": "isc-dhcp-client-ddns" }, { "binary_version": "4.3.3-5ubuntu12.10+esm2", "binary_name": "isc-dhcp-common" }, { "binary_version": "4.3.3-5ubuntu12.10+esm2", "binary_name": "isc-dhcp-dev" }, { "binary_version": "4.3.3-5ubuntu12.10+esm2", "binary_name": "isc-dhcp-relay" }, { "binary_version": "4.3.3-5ubuntu12.10+esm2", "binary_name": "isc-dhcp-server" }, { "binary_version": "4.3.3-5ubuntu12.10+esm2", "binary_name": "isc-dhcp-server-ldap" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "4.3.5-3ubuntu7.4", "binary_name": "isc-dhcp-client" }, { "binary_version": "4.3.5-3ubuntu7.4", "binary_name": "isc-dhcp-client-ddns" }, { "binary_version": "4.3.5-3ubuntu7.4", "binary_name": "isc-dhcp-common" }, { "binary_version": "4.3.5-3ubuntu7.4", "binary_name": "isc-dhcp-dev" }, { "binary_version": "4.3.5-3ubuntu7.4", "binary_name": "isc-dhcp-relay" }, { "binary_version": "4.3.5-3ubuntu7.4", "binary_name": "isc-dhcp-server" }, { "binary_version": "4.3.5-3ubuntu7.4", "binary_name": "isc-dhcp-server-ldap" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "4.4.1-2.1ubuntu5.20.04.4", "binary_name": "isc-dhcp-client" }, { "binary_version": "4.4.1-2.1ubuntu5.20.04.4", "binary_name": "isc-dhcp-client-ddns" }, { "binary_version": "4.4.1-2.1ubuntu5.20.04.4", "binary_name": "isc-dhcp-common" }, { "binary_version": "4.4.1-2.1ubuntu5.20.04.4", "binary_name": "isc-dhcp-dev" }, { "binary_version": "4.4.1-2.1ubuntu5.20.04.4", "binary_name": "isc-dhcp-relay" }, { "binary_version": "4.4.1-2.1ubuntu5.20.04.4", "binary_name": "isc-dhcp-server" }, { "binary_version": "4.4.1-2.1ubuntu5.20.04.4", "binary_name": "isc-dhcp-server-ldap" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "4.4.1-2.3ubuntu2.3", "binary_name": "isc-dhcp-client" }, { "binary_version": "4.4.1-2.3ubuntu2.3", "binary_name": "isc-dhcp-client-ddns" }, { "binary_version": "4.4.1-2.3ubuntu2.3", "binary_name": "isc-dhcp-common" }, { "binary_version": "4.4.1-2.3ubuntu2.3", "binary_name": "isc-dhcp-dev" }, { "binary_version": "4.4.1-2.3ubuntu2.3", "binary_name": "isc-dhcp-relay" }, { "binary_version": "4.4.1-2.3ubuntu2.3", "binary_name": "isc-dhcp-server" }, { "binary_version": "4.4.1-2.3ubuntu2.3", "binary_name": "isc-dhcp-server-ldap" } ] }