libexpat Heap Buffer Over-read in xmlparse.c via XML_ParseBuffer

{
                    "defaultStatus": "unaffected",
                    "vendor": "libexpat",
                    "product": "libexpat",
                    "packageURL": "pkg:github/libexpat/libexpat",
                    "repo": "https://github.com/libexpat/libexpat",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver",
                            "lessThanOrEqual": "2.8.5"
                        },
                        {
                            "status": "unaffected",
                            "version": "13c5f63a7f1c52c2feee3b16a1134d4fb68e9ea0",
                            "versionType": "git"
                        }
                    ]
                }