Is my husband's online infidelity fixable or grounds to leave?

My husband keeps chatting with random girls online and keeps asking them to come home for sex. He also talks to his friend who are girls sexually and tells them (lies to them - as told by him) about his sexual encounters. He says he hasn’t met any of the random girls and but just enjoys chatting with them. His ex wife also confirmed that they had same issue due to which they got divorced. Unsure about how to deal with it. Whether it’s fixable or I should walk away.