Reproduction steps:
1. Open the attached “IN-91580”
2. Open the “Assets/Shrunk/Scenes/CinemachineDecollider.unity” Scene
3. Enter Play mode
4. In Play mode, move near an obstacle and move camera so it will slide along the surface
5. Observe the Scene or Game view

Expected result: The camera is pulled out of all colliders
Actual result: The camera is pulled out of one collider but stays inside another object

Reproducible with: 3.1.0, 3.1.2 (2022.3.55f1, 6000.0.33f1, 6000.1.0b1)
Couldn’t test with: 3.1.0, 3.1.2 (2021.3.47f1) (Cinemachine 3 is not available)

Reproducible on: Windows 11
Not reproducible on: No other environment tested

Note: Reproducible in the Player