CVE-2021-29559 Heap OOB access in unicode ops

TensorFlow is an end-to-end open source platform for machine learning. An attacker can access data outside of bounds of heap allocated array in tf.rawops.UnicodeEncode. This is because the...

CVE-2021-29559

The CVE-2021-29559 case concerns TensorFlow’s UnicodeEncode in tf.raw_ops, where heap-out-of-bounds access can occur if input_value/input_splits do not form a valid sparse tensor. Root cause: implementation assumes a valid sparse tensor, enabling data access outside heap bounds. The issue is fixe...