registerFont in FontMetrics.php in Dompdf before 2.0.1 allows remote file inclusion because a URI validation failure does not halt font registration, as demonstrated by a @font-face rule.Referenceshttps://github.com/dompdf/dompdf/issues/2994https://github.com/dompdf/dompdf/pull/2995https://github.com/dompdf/dompdf/releases/tag/v2.0.1https://tantosec.com/blog/cve-2022-41343/