GHSA-97M3-52WR-XVV2 Dompdf's usage of vulnerable version of phenx/php-svg-lib leads to restriction bypass and potential RCE

Summary A lack of sanitization/check in the font path returned by php-svg-lib, in the case of a inline CSS font defined, that will be used by Cpdf to open a font will be passed to a fileexists call, which is sufficient to trigger metadata unserializing on a PHAR file, through the phar:// URL...