It was discovered that Expat incorrectly handled certain 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": [ { "libexpat1-dev": "2.1.0-4ubuntu1.4+esm4", "expat-dbgsym": "2.1.0-4ubuntu1.4+esm4", "lib64expat1-dev": "2.1.0-4ubuntu1.4+esm4", "libexpat1": "2.1.0-4ubuntu1.4+esm4", "libexpat1-dbgsym": "2.1.0-4ubuntu1.4+esm4", "libexpat1-udeb": "2.1.0-4ubuntu1.4+esm4", "expat": "2.1.0-4ubuntu1.4+esm4", "libexpat1-udeb-dbgsym": "2.1.0-4ubuntu1.4+esm4", "lib64expat1": "2.1.0-4ubuntu1.4+esm4", "lib64expat1-dbgsym": "2.1.0-4ubuntu1.4+esm4" } ] }
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "libexpat1-dev": "2.1.0-7ubuntu0.16.04.5+esm2", "expat-dbgsym": "2.1.0-7ubuntu0.16.04.5+esm2", "lib64expat1-dev": "2.1.0-7ubuntu0.16.04.5+esm2", "libexpat1": "2.1.0-7ubuntu0.16.04.5+esm2", "libexpat1-dbgsym": "2.1.0-7ubuntu0.16.04.5+esm2", "libexpat1-udeb": "2.1.0-7ubuntu0.16.04.5+esm2", "expat": "2.1.0-7ubuntu0.16.04.5+esm2", "libexpat1-udeb-dbgsym": "2.1.0-7ubuntu0.16.04.5+esm2", "lib64expat1": "2.1.0-7ubuntu0.16.04.5+esm2", "lib64expat1-dbgsym": "2.1.0-7ubuntu0.16.04.5+esm2" } ] }