Sahih Muslim 1495
صحيح مسلم#1495Sahihوَحَدَّثَنَا أَبُو بَكْرِ بْنُ أَبِي شَيْبَةَ، حَدَّثَنَا ابْنُ هَارُونَ، عَنْ دَاوُدَ بْنِ أَبِي هِنْدٍ، عَنِ الْحَسَنِ، عَنْ جُنْدَبِ بْنِ سُفْيَانَ، عَنِ النَّبِيِّ صلى الله عليه وسلم بِهَذَا وَلَمْ يَذْكُرْ " فَيَكُبَّهُ فِي نَارِ جَهَنَّمَ " .
This hadith has been narrated by Jundab b. Sufyan in from the Messenger of Allah (ﷺ) with the same chain of transmitters, but this has not been mentioned:" He would throw him in fire
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:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 5:328