In Pallets Jinja before 2.10.1, str.format_map allows a sandbox escape.
{ "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.7.2-2ubuntu0.1~esm1", "binary_name": "python-jinja2" }, { "binary_version": "2.7.2-2ubuntu0.1~esm1", "binary_name": "python-jinja2-doc" }, { "binary_version": "2.7.2-2ubuntu0.1~esm1", "binary_name": "python3-jinja2" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.8-1ubuntu0.1", "binary_name": "python-jinja2" }, { "binary_version": "2.8-1ubuntu0.1", "binary_name": "python-jinja2-doc" }, { "binary_version": "2.8-1ubuntu0.1", "binary_name": "python3-jinja2" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.10-1ubuntu0.18.04.1", "binary_name": "python-jinja2" }, { "binary_version": "2.10-1ubuntu0.18.04.1", "binary_name": "python-jinja2-doc" }, { "binary_version": "2.10-1ubuntu0.18.04.1", "binary_name": "python3-jinja2" } ] }