That is very strange indeed, then again the RCC cult is the same.
If anyone can save Judas, it is Christ. Then again, the Catholics teach that no matter the sin, you can ask for forgiveness and it is yours. Actually, I think all Christians teach that Repentance before death, and Salvation after.
I cannot answer any of these things with authority. We will find out someday, pro or con.... ALL of us.
But in the painting, Judas is already dead.