CVE-2022-21728

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La implementaci\u00f3n de la inferencia de forma para \"ReverseSequence\" no comprueba completamente el valor de \"batch_dim\" y puede resultar en una lectura OOB del mont\u00f3n. Se presenta una comprobaci\u00f3n para asegurarse de que el valor de \"batch_dim\" no supera el rango de la entrada, pero no hay ninguna comprobaci\u00f3n para los valores negativos. Las dimensiones negativas son permitidas en algunos casos para imitar la indexaci\u00f3n negativa de Python (es decir, la indexaci\u00f3n desde el final del array), sin embargo si el valor es demasiado negativo entonces la implementaci\u00f3n de \"Dim\" acceder\u00eda a elementos antes del inicio de un array. La correcci\u00f3n ser\u00e1 incluida en TensorFlow versi\u00f3n 2.8.0. 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