libyang - Heap Use-After-Free Write in XML Metadata Parsing

{
                    "vendor": "libyang",
                    "product": "libyang",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "status": "affected",
                            "versionType": "custom",
                            "lessThan": "5.4.3"
                        },
                        {
                            "version": "5.4.3",
                            "status": "unaffected",
                            "versionType": "custom"
                        }
                    ]
                }