It was discovered that Expat did not properly handle its internal state when attempting to resume an unstarted parser. An attacker could use this issue to cause a denial of service (application crash).
{ "availability": "Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro", "binaries": [ { "binary_name": "expat", "binary_version": "2.1.0-4ubuntu1.4+esm10" }, { "binary_name": "expat-dbgsym", "binary_version": "2.1.0-4ubuntu1.4+esm10" }, { "binary_name": "lib64expat1", "binary_version": "2.1.0-4ubuntu1.4+esm10" }, { "binary_name": "lib64expat1-dbgsym", "binary_version": "2.1.0-4ubuntu1.4+esm10" }, { "binary_name": "lib64expat1-dev", "binary_version": "2.1.0-4ubuntu1.4+esm10" }, { "binary_name": "libexpat1", "binary_version": "2.1.0-4ubuntu1.4+esm10" }, { "binary_name": "libexpat1-dbgsym", "binary_version": "2.1.0-4ubuntu1.4+esm10" }, { "binary_name": "libexpat1-dev", "binary_version": "2.1.0-4ubuntu1.4+esm10" }, { "binary_name": "libexpat1-udeb", "binary_version": "2.1.0-4ubuntu1.4+esm10" }, { "binary_name": "libexpat1-udeb-dbgsym", "binary_version": "2.1.0-4ubuntu1.4+esm10" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_name": "expat", "binary_version": "2.1.0-7ubuntu0.16.04.5+esm10" }, { "binary_name": "expat-dbgsym", "binary_version": "2.1.0-7ubuntu0.16.04.5+esm10" }, { "binary_name": "lib64expat1", "binary_version": "2.1.0-7ubuntu0.16.04.5+esm10" }, { "binary_name": "lib64expat1-dbgsym", "binary_version": "2.1.0-7ubuntu0.16.04.5+esm10" }, { "binary_name": "lib64expat1-dev", "binary_version": "2.1.0-7ubuntu0.16.04.5+esm10" }, { "binary_name": "libexpat1", "binary_version": "2.1.0-7ubuntu0.16.04.5+esm10" }, { "binary_name": "libexpat1-dbgsym", "binary_version": "2.1.0-7ubuntu0.16.04.5+esm10" }, { "binary_name": "libexpat1-dev", "binary_version": "2.1.0-7ubuntu0.16.04.5+esm10" }, { "binary_name": "libexpat1-udeb", "binary_version": "2.1.0-7ubuntu0.16.04.5+esm10" }, { "binary_name": "libexpat1-udeb-dbgsym", "binary_version": "2.1.0-7ubuntu0.16.04.5+esm10" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_name": "expat", "binary_version": "2.2.5-3ubuntu0.9+esm2" }, { "binary_name": "expat-dbgsym", "binary_version": "2.2.5-3ubuntu0.9+esm2" }, { "binary_name": "libexpat1", "binary_version": "2.2.5-3ubuntu0.9+esm2" }, { "binary_name": "libexpat1-dbgsym", "binary_version": "2.2.5-3ubuntu0.9+esm2" }, { "binary_name": "libexpat1-dev", "binary_version": "2.2.5-3ubuntu0.9+esm2" }, { "binary_name": "libexpat1-udeb", "binary_version": "2.2.5-3ubuntu0.9+esm2" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "expat", "binary_version": "2.2.9-1ubuntu0.8" }, { "binary_name": "expat-dbgsym", "binary_version": "2.2.9-1ubuntu0.8" }, { "binary_name": "libexpat1", "binary_version": "2.2.9-1ubuntu0.8" }, { "binary_name": "libexpat1-dbgsym", "binary_version": "2.2.9-1ubuntu0.8" }, { "binary_name": "libexpat1-dev", "binary_version": "2.2.9-1ubuntu0.8" }, { "binary_name": "libexpat1-udeb", "binary_version": "2.2.9-1ubuntu0.8" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "expat", "binary_version": "2.4.7-1ubuntu0.5" }, { "binary_name": "expat-dbgsym", "binary_version": "2.4.7-1ubuntu0.5" }, { "binary_name": "libexpat1", "binary_version": "2.4.7-1ubuntu0.5" }, { "binary_name": "libexpat1-dbgsym", "binary_version": "2.4.7-1ubuntu0.5" }, { "binary_name": "libexpat1-dev", "binary_version": "2.4.7-1ubuntu0.5" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "expat", "binary_version": "2.6.2-2ubuntu0.1" }, { "binary_name": "expat-dbgsym", "binary_version": "2.6.2-2ubuntu0.1" }, { "binary_name": "libexpat1", "binary_version": "2.6.2-2ubuntu0.1" }, { "binary_name": "libexpat1-dbgsym", "binary_version": "2.6.2-2ubuntu0.1" }, { "binary_name": "libexpat1-dev", "binary_version": "2.6.2-2ubuntu0.1" } ] }
{ "availability": "No subscription required", "binaries": [ { "binary_name": "expat", "binary_version": "2.6.1-2ubuntu0.2" }, { "binary_name": "expat-dbgsym", "binary_version": "2.6.1-2ubuntu0.2" }, { "binary_name": "libexpat1", "binary_version": "2.6.1-2ubuntu0.2" }, { "binary_name": "libexpat1-dbgsym", "binary_version": "2.6.1-2ubuntu0.2" }, { "binary_name": "libexpat1-dev", "binary_version": "2.6.1-2ubuntu0.2" } ] }