USN-5638-1 fixed several vulnerabilities in Expat. This update provides the corresponding update for Ubuntu 14.04 ESM.
Original advisory details:
Rhodri James discovered that Expat incorrectly handled memory when processing certain malformed XML files. An attacker could possibly use this issue to cause a crash or execute arbitrary code.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "2.1.0-4ubuntu1.4+esm7", "binary_name": "expat" }, { "binary_version": "2.1.0-4ubuntu1.4+esm7", "binary_name": "expat-dbgsym" }, { "binary_version": "2.1.0-4ubuntu1.4+esm7", "binary_name": "lib64expat1" }, { "binary_version": "2.1.0-4ubuntu1.4+esm7", "binary_name": "lib64expat1-dbgsym" }, { "binary_version": "2.1.0-4ubuntu1.4+esm7", "binary_name": "lib64expat1-dev" }, { "binary_version": "2.1.0-4ubuntu1.4+esm7", "binary_name": "libexpat1" }, { "binary_version": "2.1.0-4ubuntu1.4+esm7", "binary_name": "libexpat1-dbgsym" }, { "binary_version": "2.1.0-4ubuntu1.4+esm7", "binary_name": "libexpat1-dev" }, { "binary_version": "2.1.0-4ubuntu1.4+esm7", "binary_name": "libexpat1-udeb" }, { "binary_version": "2.1.0-4ubuntu1.4+esm7", "binary_name": "libexpat1-udeb-dbgsym" } ] }