Catholics resist only dangerous-to-Faith, dubious formulations, but must obey when such formulations faithfully transmit sacred tradition, otherwise known as “the Deposit of Faith”:

“Although it clearly follows from the circumstances that the Pope can err at times, and command things which must not be done, that we are not to be simply obedient to him in all things, that does not show that he must not be obeyed by all when his commands are good.

“To know in what cases he is to be obeyed and in what not, it is said in the Acts of the Apostles ‘One ought to obey God rather than man’;

Therefore, were the Pope to command anything against Holy Scripture, or the articles of faith, or the truth of the Sacraments, or the commands of the natural or divine law, he ought not to be obeyed, but in *such* commands, to be passed over.”

— (Summa de Ecclesia, Juan Cardinal De Torquemada — 1388 – 26 September 1468, emphasis mine)

But “…no man ought to sever himself from the unity of the Church before the time of the final separation of the just and unjust, merely because of the admixture of evil men in the Church” —Saint Augustine, On Baptism, Against the Donatists, Bk. IV, The Complete Works of Saint Augustine. Ch.12.19, (1407). Emphasis added.

Source: John XXIII, Benedict XVI and Francis