Raptor RDF Syntax Library 2.0.15 through 2.0.16 Heap Buffer Overflow via Language Tag

{
                    "vendor": "librdf",
                    "product": "Raptor RDF Syntax Library",
                    "packageURL": "pkg:github/dajobe/raptor",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "2.0.15",
                            "lessThanOrEqual": "2.0.16",
                            "status": "affected",
                            "versionType": "semver"
                        }
                    ],
                    "repo": "https://github.com/dajobe/raptor"
                }