It is still an issue. They also seem to completely ignore their spawn rules, ghasts should not spawn without sufficient space or close to each other, but they do.
>But my health is stay by 4-6 HP
Check your difficulty level.
You will starve to 1HP. You can starve to death only in hardcore mode (which is not implemented in MCPE).
It's not a bug.
Still happens in 1.17.10. Thanks to this bug ender pearl teleporters are basically useless.