XS::Parse::Infix versions from 0.40 through 0.49 for Perl treat a number as an array reference

{
                    "collectionURL": "https://cpan.org/modules",
                    "defaultStatus": "unaffected",
                    "modules": [
                        "XS::Parse::Infix"
                    ],
                    "packageName": "XS-Parse-Keyword",
                    "packageURL": "pkg:cpan/XS-Parse-Keyword",
                    "programFiles": [
                        "src/infix.c"
                    ],
                    "programRoutines": [
                        {
                            "name": "pp_push_defav_with_count"
                        }
                    ],
                    "versions": [
                        {
                            "lessThanOrEqual": "0.49",
                            "status": "affected",
                            "version": "0.40",
                            "versionType": "custom"
                        }
                    ]
                }