Muwatta Malik 1251
موطأ مالك#1251SahihThese are the words of a Companion, not of the Prophet ﷺ. The chain is graded on its own terms.
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ، أَنَّهُ كَانَ يَقُولُ لاَ تَبِيتُ الْمُتَوَفَّى عَنْهَا زَوْجُهَا وَلاَ الْمَبْتُوتَةُ إِلاَّ فِي بَيْتِهَا .
Yahya related to me from Malik from Nafi that Abdullan ibn Umar said, "The only place a woman whose husband has died and a woman who is absolutely divorced can spend the night is in their houses
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Salim al-HilaliMauquf Sahih
In-book reference: 29:48