A vulnerability stemming from failure to properly clean up closed OMAPI connections can lead to exhaustion of the pool of socket descriptors available to the DHCP server. Affects ISC DHCP 4.1.0 to 4.1-ESV-R15, 4.2.0 to 4.2.8, 4.3.0 to 4.3.6. Older versions may also be affected but are well beyond their end-of-life (EOL). Releases prior to 4.1.0 have not been tested.
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "binary_name": "isc-dhcp-client", "binary_version": "4.2.4-7ubuntu12.12" }, { "binary_name": "isc-dhcp-client-dbg", "binary_version": "4.2.4-7ubuntu12.12" }, { "binary_name": "isc-dhcp-client-dbgsym", "binary_version": "4.2.4-7ubuntu12.12" }, { "binary_name": "isc-dhcp-client-noddns", "binary_version": "4.2.4-7ubuntu12.12" }, { "binary_name": "isc-dhcp-client-udeb", "binary_version": "4.2.4-7ubuntu12.12" }, { "binary_name": "isc-dhcp-client-udeb-dbgsym", "binary_version": "4.2.4-7ubuntu12.12" }, { "binary_name": "isc-dhcp-common", "binary_version": "4.2.4-7ubuntu12.12" }, { "binary_name": "isc-dhcp-common-dbgsym", "binary_version": "4.2.4-7ubuntu12.12" }, { "binary_name": "isc-dhcp-dev", "binary_version": "4.2.4-7ubuntu12.12" }, { "binary_name": "isc-dhcp-relay", "binary_version": "4.2.4-7ubuntu12.12" }, { "binary_name": "isc-dhcp-relay-dbg", "binary_version": "4.2.4-7ubuntu12.12" }, { "binary_name": "isc-dhcp-relay-dbgsym", "binary_version": "4.2.4-7ubuntu12.12" }, { "binary_name": "isc-dhcp-server", "binary_version": "4.2.4-7ubuntu12.12" }, { "binary_name": "isc-dhcp-server-dbg", "binary_version": "4.2.4-7ubuntu12.12" }, { "binary_name": "isc-dhcp-server-dbgsym", "binary_version": "4.2.4-7ubuntu12.12" }, { "binary_name": "isc-dhcp-server-ldap", "binary_version": "4.2.4-7ubuntu12.12" }, { "binary_name": "isc-dhcp-server-ldap-dbgsym", "binary_version": "4.2.4-7ubuntu12.12" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "binary_name": "isc-dhcp-client", "binary_version": "4.3.3-5ubuntu12.9" }, { "binary_name": "isc-dhcp-client-dbgsym", "binary_version": "4.3.3-5ubuntu12.9" }, { "binary_name": "isc-dhcp-client-ddns", "binary_version": "4.3.3-5ubuntu12.9" }, { "binary_name": "isc-dhcp-client-ddns-dbgsym", "binary_version": "4.3.3-5ubuntu12.9" }, { "binary_name": "isc-dhcp-client-udeb", "binary_version": "4.3.3-5ubuntu12.9" }, { "binary_name": "isc-dhcp-client-udeb-dbgsym", "binary_version": "4.3.3-5ubuntu12.9" }, { "binary_name": "isc-dhcp-common", "binary_version": "4.3.3-5ubuntu12.9" }, { "binary_name": "isc-dhcp-common-dbgsym", "binary_version": "4.3.3-5ubuntu12.9" }, { "binary_name": "isc-dhcp-dbg", "binary_version": "4.3.3-5ubuntu12.9" }, { "binary_name": "isc-dhcp-dev", "binary_version": "4.3.3-5ubuntu12.9" }, { "binary_name": "isc-dhcp-dev-dbgsym", "binary_version": "4.3.3-5ubuntu12.9" }, { "binary_name": "isc-dhcp-relay", "binary_version": "4.3.3-5ubuntu12.9" }, { "binary_name": "isc-dhcp-relay-dbgsym", "binary_version": "4.3.3-5ubuntu12.9" }, { "binary_name": "isc-dhcp-server", "binary_version": "4.3.3-5ubuntu12.9" }, { "binary_name": "isc-dhcp-server-dbgsym", "binary_version": "4.3.3-5ubuntu12.9" }, { "binary_name": "isc-dhcp-server-ldap", "binary_version": "4.3.3-5ubuntu12.9" }, { "binary_name": "isc-dhcp-server-ldap-dbgsym", "binary_version": "4.3.3-5ubuntu12.9" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "low", "binaries": [ { "binary_name": "isc-dhcp-client", "binary_version": "4.3.5-3ubuntu5" }, { "binary_name": "isc-dhcp-client-dbgsym", "binary_version": "4.3.5-3ubuntu5" }, { "binary_name": "isc-dhcp-client-ddns", "binary_version": "4.3.5-3ubuntu5" }, { "binary_name": "isc-dhcp-client-ddns-dbgsym", "binary_version": "4.3.5-3ubuntu5" }, { "binary_name": "isc-dhcp-client-udeb", "binary_version": "4.3.5-3ubuntu5" }, { "binary_name": "isc-dhcp-common", "binary_version": "4.3.5-3ubuntu5" }, { "binary_name": "isc-dhcp-dev", "binary_version": "4.3.5-3ubuntu5" }, { "binary_name": "isc-dhcp-relay", "binary_version": "4.3.5-3ubuntu5" }, { "binary_name": "isc-dhcp-relay-dbgsym", "binary_version": "4.3.5-3ubuntu5" }, { "binary_name": "isc-dhcp-server", "binary_version": "4.3.5-3ubuntu5" }, { "binary_name": "isc-dhcp-server-dbgsym", "binary_version": "4.3.5-3ubuntu5" }, { "binary_name": "isc-dhcp-server-ldap", "binary_version": "4.3.5-3ubuntu5" }, { "binary_name": "isc-dhcp-server-ldap-dbgsym", "binary_version": "4.3.5-3ubuntu5" } ] }