YAML versions before 1.27_001 for Perl allow a loaded perl/glob document to replace any package variable, which can lead to arbitrary code execution

{
                    "collectionURL": "https://cpan.org/modules",
                    "defaultStatus": "unaffected",
                    "modules": [
                        "YAML"
                    ],
                    "packageName": "YAML",
                    "packageURL": "pkg:cpan/YAML",
                    "programFiles": [
                        "lib/YAML/Types.pm"
                    ],
                    "programRoutines": [
                        {
                            "name": "YAML::Type::glob::yaml_load"
                        }
                    ],
                    "repo": "https://github.com/ingydotnet/yaml-pm",
                    "versions": [
                        {
                            "lessThan": "1.27_001",
                            "status": "affected",
                            "version": "0",
                            "versionType": "custom"
                        }
                    ]
                }