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This may cause some software to make incorrect assumptions about the target of the get_headers() and possibly send some information to a wrong server."},{"lang":"es","value":"En las versiones de PHP 7.2.x  anterior a la versión  7.2.29, 7.3.x anterior a 7.3.16 y 7.4.x anterior a 7.4.4, mientras usa get_headers () con la URL suministrada por el usuario, si la URL contiene un carácter cero (\\ 0), el La URL se truncará silenciosamente en ella. Esto puede hacer que algunos programas hagan suposiciones incorrectas sobre el objetivo de get_headers () y posiblemente envíen información a un servidor incorrecto."}],"affected":[{"source":"security@php.net","affectedData":[{"vendor":"PHP Group","product":"PHP","versions":[{"version":"7.2.x below 7.2.29","status":"affected"},{"version":"7.3.x below 7.3.16","status":"affected"},{"version":"7.4.x below 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