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_version": "2.1.0-4ubuntu1.4+esm10", "binary_name": "expat" }, { "binary_version": "2.1.0-4ubuntu1.4+esm10", "binary_name": "lib64expat1" }, { "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-dev" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "2.1.0-7ubuntu0.16.04.5+esm10", "binary_name": "expat" }, { "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-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-dev" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "2.2.5-3ubuntu0.9+esm2", "binary_name": "expat" }, { "binary_version": "2.2.5-3ubuntu0.9+esm2", "binary_name": "libexpat1" }, { "binary_version": "2.2.5-3ubuntu0.9+esm2", "binary_name": "libexpat1-dev" } ] }