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En las versiones afectadas los encabezados \"Authorization\" de las peticiones son informaci\u00f3n confidencial. Al hacer una petici\u00f3n usando el esquema \"https\" a un servidor que responde con un redireccionamiento a una URI con el esquema \"http\", no deber\u00edamos reenviar el encabezado \"Authorization\". Esto es muy parecido a no reenviar el encabezado si el host cambia. Anterior a esta correcci\u00f3n, las actualizaciones de \"https\" a \"http\" no provocaban la eliminaci\u00f3n del encabezado \"Authorization\", s\u00f3lo los cambios en el host. Los usuarios de Guzzle 7 afectados deben actualizar a Guzzle versi\u00f3n 7.4.4 lo antes posible. Los usuarios afectados usando cualquier serie anterior de Guzzle deber\u00edan actualizar a Guzzle versi\u00f3n 6.5.7 o 7.4.4. Los usuarios que no puedan actualizar pueden considerar un enfoque alternativo que ser\u00eda usar su propio middleware de redireccionamiento. 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