Tobias Stoeckmann discovered that libXfixes incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service, or possibly execute arbitrary code.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "binaries": [ { "binary_version": "1:5.0.1-2ubuntu0.1~esm1", "binary_name": "libxfixes-dev" }, { "binary_version": "1:5.0.1-2ubuntu0.1~esm1", "binary_name": "libxfixes-dev-dbgsym" }, { "binary_version": "1:5.0.1-2ubuntu0.1~esm1", "binary_name": "libxfixes3" }, { "binary_version": "1:5.0.1-2ubuntu0.1~esm1", "binary_name": "libxfixes3-dbg" }, { "binary_version": "1:5.0.1-2ubuntu0.1~esm1", "binary_name": "libxfixes3-dbgsym" }, { "binary_version": "1:5.0.1-2ubuntu0.1~esm1", "binary_name": "libxfixes3-udeb" }, { "binary_version": "1:5.0.1-2ubuntu0.1~esm1", "binary_name": "libxfixes3-udeb-dbgsym" } ] }