Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
Qurʾān Bukhārī Muslim Nasāʾī Abū Dāwūd Tirmidhī Ibn Mājah Mālik Aḥmad Dārimī Ḥākim Ibn Ḥibbān Ṭabarānī Nasāʾī's Kubrá Bayhaqī al-Luʾluʾ wa-al-Marjān Ibn Rajab's Fifty Riyāḍ al-Ṣāliḥīn Aḥmad's Zuhd Suyūṭī
tabarani:9673 – Muḥammad b. ʿAlī al-Ṣāʾigh > Saʿīd b. Manṣūr > Abū ʿAwānah > Qatādah > Sālim b. Abū al-Jaʿd from his father > ʿAbdullāh b. Masʿūd

[Machine] He said, "They both committed adultery by having sexual relations."  

الطبراني:٩٦٧٣ – حَدَّثَنَا مُحَمَّدُ بْنُ عَلِيٍّ الصَّائِغُ ثنا سَعِيدُ بْنُ مَنْصُورٍ ثنا أَبُو عَوَانَةَ عَنْ قَتَادَةَ عَنْ سَالِمِ بْنِ أَبِي الْجَعْدِ عَنْ أَبِيهِ عَنْ عَبْدِ اللهِ بْنِ مَسْعُودٍ

أَنَّهُ قَالَ «هُمَا زَانِيَانِ مَا اجْتَمَعَا»  

See similar narrations below:

Collected by Bayhaqī
bayhaqi:13883 – Abū ʿAbdullāh al-Ḥāfiẓ And ʾAbū Muḥammad ʿUbayd b. Muḥammad b. Muḥammad b. Mahdī > Abū al-ʿAbbās Muḥammad b. Yaʿqūb > Yaḥyá b. Abū Ṭālib > ʿAbd al-Wahhāb > Saʿīd > Qatādah > Sālim b. Abū al-Jaʿd from his father > Ibn Masʿūd

[Machine] Both of them committed adultery when they got together.  

البيهقي:١٣٨٨٣ – وَأَمَّا الَّذِي أَخْبَرَنَا أَبُو عَبْدِ اللهِ الْحَافِظُ وَأَبُو مُحَمَّدٍ عُبَيْدُ بْنُ مُحَمَّدِ بْنِ مُحَمَّدِ بْنِ مَهْدِيٍّ قَالَ ثنا أَبُو الْعَبَّاسِ مُحَمَّدُ بْنُ يَعْقُوبَ ثنا يَحْيَى بْنُ أَبِي طَالِبٍ ثنا عَبْدُ الْوَهَّابِ أنا سَعِيدٌ عَنْ قَتَادَةَ عَنْ سَالِمِ بْنِ أَبِي الْجَعْدِ عَنْ أَبِيهِ عَنِ ابْنِ مَسْعُودٍ قَالَ

هُمَا زَانِيَانِ مَا اجْتَمَعَا