Leviticus 20:10

And the man that commits adultery with another man's wife, he that commits adultery with his neighbour's wife, the adulterer and the adulteress shall surely die.

Exodus 20:14

Thou shalt not commit adultery.

Leviticus 18:20

Moreover thou shalt not lie carnally with thy neighbour's wife, contaminating thyself with her.

Deuteronomy 5:18

Thou shalt not commit adultery.

John 8:4-5

they said unto him, Master, this woman was taken in adultery in the very act.

Deuteronomy 22:22-24

If a man is found lying with a woman married to a husband, then they shall both of them die, both the man that lay with the woman and the woman; so shalt thou put away evil from Israel.

2 Samuel 12:13

Then David said unto Nathan, I have sinned against the LORD. And Nathan said unto David, The LORD also has taken away thy sin; thou shalt not die.

Ezekiel 23:45-47

Therefore righteous men shall judge them by the law of adulteresses and after the law of women that shed blood because they are adulteresses, and blood is on their hands.

Treasury of Scripture Knowledge

Summary

And the man that committeth adultery with another man's wife, even he that committeth adultery with his neighbour's wife, the adulterer and the adulteress shall surely be put to death.

Bible References

The adulterer

Deuteronomy 22:22
If a man is found lying with a woman married to a husband, then they shall both of them die, both the man that lay with the woman and the woman; so shalt thou put away evil from Israel.
2 Samuel 12:13
Then David said unto Nathan, I have sinned against the LORD. And Nathan said unto David, The LORD also has taken away thy sin; thou shalt not die.
Ezekiel 23:45
Therefore righteous men shall judge them by the law of adulteresses and after the law of women that shed blood because they are adulteresses, and blood is on their hands.
John 8:4
they said unto him, Master, this woman was taken in adultery in the very act.

General references

Exodus 20:14
Thou shalt not commit adultery.
Leviticus 18:20
Moreover thou shalt not lie carnally with thy neighbour's wife, contaminating thyself with her.
Numbers 5:13
and a man lies with her carnally, and it is hid from the eyes of her husband because she contaminated herself in secret, and there is no witness against her, neither was she taken in the act;
Deuteronomy 22:22
If a man is found lying with a woman married to a husband, then they shall both of them die, both the man that lay with the woman and the woman; so shalt thou put away evil from Israel.