Toshifumi Sakaguchi discovered that Unbound incorrectly handled name compression for large RRsets, which could lead to excessive CPU usage. An attacker could potentially use this issue to cause a denial of service by sending specially crafted DNS responses.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2", "binary_name": "libunbound-dev" }, { "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2", "binary_name": "libunbound2" }, { "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2", "binary_name": "python-unbound" }, { "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2", "binary_name": "python-unbound-dbgsym" }, { "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2", "binary_name": "unbound" }, { "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2", "binary_name": "unbound-anchor" }, { "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2", "binary_name": "unbound-anchor-dbgsym" }, { "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2", "binary_name": "unbound-dbgsym" }, { "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2", "binary_name": "unbound-host" }, { "binary_version": "1.4.22-1ubuntu4.14.04.3+esm2", "binary_name": "unbound-host-dbgsym" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "1.5.8-1ubuntu1.1+esm2", "binary_name": "libunbound-dev" }, { "binary_version": "1.5.8-1ubuntu1.1+esm2", "binary_name": "libunbound2" }, { "binary_version": "1.5.8-1ubuntu1.1+esm2", "binary_name": "libunbound2-dbgsym" }, { "binary_version": "1.5.8-1ubuntu1.1+esm2", "binary_name": "python-unbound" }, { "binary_version": "1.5.8-1ubuntu1.1+esm2", "binary_name": "unbound" }, { "binary_version": "1.5.8-1ubuntu1.1+esm2", "binary_name": "unbound-anchor" }, { "binary_version": "1.5.8-1ubuntu1.1+esm2", "binary_name": "unbound-anchor-dbgsym" }, { "binary_version": "1.5.8-1ubuntu1.1+esm2", "binary_name": "unbound-dbgsym" }, { "binary_version": "1.5.8-1ubuntu1.1+esm2", "binary_name": "unbound-host" }, { "binary_version": "1.5.8-1ubuntu1.1+esm2", "binary_name": "unbound-host-dbgsym" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "1.6.7-1ubuntu2.6+esm3", "binary_name": "libunbound-dev" }, { "binary_version": "1.6.7-1ubuntu2.6+esm3", "binary_name": "libunbound2" }, { "binary_version": "1.6.7-1ubuntu2.6+esm3", "binary_name": "libunbound2-dbgsym" }, { "binary_version": "1.6.7-1ubuntu2.6+esm3", "binary_name": "python-unbound" }, { "binary_version": "1.6.7-1ubuntu2.6+esm3", "binary_name": "python-unbound-dbgsym" }, { "binary_version": "1.6.7-1ubuntu2.6+esm3", "binary_name": "python3-unbound" }, { "binary_version": "1.6.7-1ubuntu2.6+esm3", "binary_name": "python3-unbound-dbgsym" }, { "binary_version": "1.6.7-1ubuntu2.6+esm3", "binary_name": "unbound" }, { "binary_version": "1.6.7-1ubuntu2.6+esm3", "binary_name": "unbound-anchor" }, { "binary_version": "1.6.7-1ubuntu2.6+esm3", "binary_name": "unbound-anchor-dbgsym" }, { "binary_version": "1.6.7-1ubuntu2.6+esm3", "binary_name": "unbound-dbgsym" }, { "binary_version": "1.6.7-1ubuntu2.6+esm3", "binary_name": "unbound-host" }, { "binary_version": "1.6.7-1ubuntu2.6+esm3", "binary_name": "unbound-host-dbgsym" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1.9.4-2ubuntu1.9", "binary_name": "libunbound-dev" }, { "binary_version": "1.9.4-2ubuntu1.9", "binary_name": "libunbound8" }, { "binary_version": "1.9.4-2ubuntu1.9", "binary_name": "libunbound8-dbgsym" }, { "binary_version": "1.9.4-2ubuntu1.9", "binary_name": "python-unbound" }, { "binary_version": "1.9.4-2ubuntu1.9", "binary_name": "python-unbound-dbgsym" }, { "binary_version": "1.9.4-2ubuntu1.9", "binary_name": "python3-unbound" }, { "binary_version": "1.9.4-2ubuntu1.9", "binary_name": "python3-unbound-dbgsym" }, { "binary_version": "1.9.4-2ubuntu1.9", "binary_name": "unbound" }, { "binary_version": "1.9.4-2ubuntu1.9", "binary_name": "unbound-anchor" }, { "binary_version": "1.9.4-2ubuntu1.9", "binary_name": "unbound-anchor-dbgsym" }, { "binary_version": "1.9.4-2ubuntu1.9", "binary_name": "unbound-dbgsym" }, { "binary_version": "1.9.4-2ubuntu1.9", "binary_name": "unbound-host" }, { "binary_version": "1.9.4-2ubuntu1.9", "binary_name": "unbound-host-dbgsym" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1.13.1-1ubuntu5.8", "binary_name": "libunbound-dev" }, { "binary_version": "1.13.1-1ubuntu5.8", "binary_name": "libunbound8" }, { "binary_version": "1.13.1-1ubuntu5.8", "binary_name": "libunbound8-dbgsym" }, { "binary_version": "1.13.1-1ubuntu5.8", "binary_name": "python3-unbound" }, { "binary_version": "1.13.1-1ubuntu5.8", "binary_name": "python3-unbound-dbgsym" }, { "binary_version": "1.13.1-1ubuntu5.8", "binary_name": "unbound" }, { "binary_version": "1.13.1-1ubuntu5.8", "binary_name": "unbound-anchor" }, { "binary_version": "1.13.1-1ubuntu5.8", "binary_name": "unbound-anchor-dbgsym" }, { "binary_version": "1.13.1-1ubuntu5.8", "binary_name": "unbound-dbgsym" }, { "binary_version": "1.13.1-1ubuntu5.8", "binary_name": "unbound-host" }, { "binary_version": "1.13.1-1ubuntu5.8", "binary_name": "unbound-host-dbgsym" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1.20.0-1ubuntu2.1", "binary_name": "libunbound-dev" }, { "binary_version": "1.20.0-1ubuntu2.1", "binary_name": "libunbound8" }, { "binary_version": "1.20.0-1ubuntu2.1", "binary_name": "libunbound8-dbgsym" }, { "binary_version": "1.20.0-1ubuntu2.1", "binary_name": "python3-unbound" }, { "binary_version": "1.20.0-1ubuntu2.1", "binary_name": "python3-unbound-dbgsym" }, { "binary_version": "1.20.0-1ubuntu2.1", "binary_name": "unbound" }, { "binary_version": "1.20.0-1ubuntu2.1", "binary_name": "unbound-anchor" }, { "binary_version": "1.20.0-1ubuntu2.1", "binary_name": "unbound-anchor-dbgsym" }, { "binary_version": "1.20.0-1ubuntu2.1", "binary_name": "unbound-dbgsym" }, { "binary_version": "1.20.0-1ubuntu2.1", "binary_name": "unbound-host" }, { "binary_version": "1.20.0-1ubuntu2.1", "binary_name": "unbound-host-dbgsym" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_version": "1.19.2-1ubuntu3.3", "binary_name": "libunbound-dev" }, { "binary_version": "1.19.2-1ubuntu3.3", "binary_name": "libunbound8" }, { "binary_version": "1.19.2-1ubuntu3.3", "binary_name": "libunbound8-dbgsym" }, { "binary_version": "1.19.2-1ubuntu3.3", "binary_name": "python3-unbound" }, { "binary_version": "1.19.2-1ubuntu3.3", "binary_name": "python3-unbound-dbgsym" }, { "binary_version": "1.19.2-1ubuntu3.3", "binary_name": "unbound" }, { "binary_version": "1.19.2-1ubuntu3.3", "binary_name": "unbound-anchor" }, { "binary_version": "1.19.2-1ubuntu3.3", "binary_name": "unbound-anchor-dbgsym" }, { "binary_version": "1.19.2-1ubuntu3.3", "binary_name": "unbound-dbgsym" }, { "binary_version": "1.19.2-1ubuntu3.3", "binary_name": "unbound-host" }, { "binary_version": "1.19.2-1ubuntu3.3", "binary_name": "unbound-host-dbgsym" } ] }