CVE-2017-5387

The existence of a specifically requested local file can be found due to the double firing of the "onerror" when the "source" attribute on a "<track>" tag refers to a file that does not exist if the source page is loaded locally. This vulnerability affects Firefox < 51.

The existence of a specifically requested local file can be found due to the double firing of the "onerror" when the "source" attribute on a "<track>" tag refers to a file that does not exist if the source page is loaded locally. This vulnerability affects Firefox < 51.

La existencia de un archivo local específicamente solicitado puede hallarse debido al doble lanzamiento del "onerror" cuando el atributo "source" en una etiqueta "" se refiere a un archivo que no existe si la página de origen se carga de forma local. La vulnerabilidad afecta a Firefox en versiones anteriores a la 51.