message: [security] Fix typo in versions affected by one TFSA.
  No functionality change.
diff: @@ -10,7 +10,7 @@ in [SECURITY.md](https://github.com/tensorflow/tensorflow/blob/master/SECURITY.m
  | Advisory Number | Type | Versions affected | Reported by | Additional Information |
  |-----------------|--------------------|:-----------------:|-----------------------|-----------------------------|
  -| [TFSA-2020-001](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2020-001.md) | Segmentation fault when converting a Python string to `tf.float16` | >= 12.0, <= 2.1 | (found internally) | |
  +| [TFSA-2020-001](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2020-001.md) | Segmentation fault when converting a Python string to `tf.float16` | >= 1.12.0, <= 2.1 | (found internally) | |
  | [TFSA-2019-002](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2019-002.md) | Heap buffer overflow in `UnsortedSegmentSum` | <= 1.14 | (found internally) | |
  | [TFSA-2019-001](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2019-001.md) | Null Pointer Dereference Error in Decoding GIF Files | <= 1.12 | Baidu Security Lab | |
  | [TFSA-2018-006](https://github.com/tensorflow/tensorflow/blob/master/tensorflow/security/advisory/tfsa-2018-006.md) | Crafted Configuration File results in Invalid Memory Access | <= 1.7 | Blade Team of Tencent | |
  