When the character controller is penetrating another collider, moving it outside of the collider can sometimes cause the character collider to launch high in the air.

To reproduce:
1. Open attached project
2. Open test.unity scene
3. Enter play mode
4. Press down and hold S button
Expected result: The capsule walks out of the collider
Actual result: it is shot Upwards out of the capsule

reproduced in: 5.0.3f1,5.2.2p3, 5.3.0b5