CVE-2022-21733

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The implementation of `StringNGrams` can be used to trigger a denial of service attack by causing an out of memory condition after an integer overflow. We are missing a validation on `pad_witdh` and that result in computing a negative value for `ngram_width` which is later used to allocate parts of the output. The fix will be included in TensorFlow 2.8.0. We will also cherrypick this commit on TensorFlow 2.7.1, TensorFlow 2.6.3, and TensorFlow 2.5.3, as these are also affected and still in supported range."}, {"lang": "es", "value": "Tensorflow es un marco de aprendizaje autom\u00e1tico de c\u00f3digo abierto. La implementaci\u00f3n de \"StringNGrams\" puede ser usada para desencadenar un ataque de denegaci\u00f3n de servicio causando una condici\u00f3n de fuera de memoria tras un desbordamiento de enteros. Falta una comprobaci\u00f3n en \"pad_witdh\" y eso hace que sea computado un valor negativo para \"ngram_width\" que luego es usada para asignar partes de la salida. 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