Arbitrary file write via calcext:data-mappings, sql provider and Firebird backup functionality

{
                    "vendor": "The Document Foundation",
                    "product": "LibreOffice",
                    "defaultStatus": "unknown",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "26.2",
                            "lessThan": "< 26.2.5",
                            "versionType": "26.2 series"
                        }
                    ]
                }