Mark 10:12

and if a woman divorces her husband and marries another man, she commits adultery.”

1 Corinthians 7:11

(but even if she does leave him, let her remain single or else be reconciled to her husband) and that the husband should not leave his wife.

1 Corinthians 7:13

And if any [believing] woman has an unbelieving husband, and he consents to live with her, she must not leave him.

Treasury of Scripture Knowledge

Summary

And if a woman shall put away her husband, and be married to another, she committeth adultery.

Bible References

General references

Exodus 20:14
“You shall not commit adultery.
Luke 16:18
“Whoever divorces his wife and marries another commits adultery, and he who marries one who is divorced from her husband commits adultery.
1 Corinthians 7:4
The wife does not have [exclusive] authority over her own body, but the husband shares with her; and likewise the husband does not have [exclusive] authority over his body, but the wife shares with him.