Sahih al-Bukhari 1857
صحيح البخاري#1857Sahihحَدَّثَنَا إِسْحَاقُ، أَخْبَرَنَا يَعْقُوبُ بْنُ إِبْرَاهِيمَ، حَدَّثَنَا ابْنُ أَخِي ابْنِ شِهَابٍ، عَنْ عَمِّهِ، أَخْبَرَنِي عُبَيْدُ اللَّهِ بْنُ عَبْدِ اللَّهِ بْنِ عُتْبَةَ بْنِ مَسْعُودٍ، أَنَّ عَبْدَ اللَّهِ بْنَ عَبَّاسٍ ـ رضى الله عنهما ـ قَالَ أَقْبَلْتُ وَقَدْ نَاهَزْتُ الْحُلُمَ، أَسِيرُ عَلَى أَتَانٍ لِي، وَرَسُولُ اللَّهِ صلى الله عليه وسلم قَائِمٌ يُصَلِّي بِمِنًى، حَتَّى سِرْتُ بَيْنَ يَدَىْ بَعْضِ الصَّفِّ الأَوَّلِ، ثُمَّ نَزَلْتُ عَنْهَا فَرَتَعَتْ، فَصَفَفْتُ مَعَ النَّاسِ وَرَاءَ رَسُولِ اللَّهِ صلى الله عليه وسلم. وَقَالَ يُونُسُ عَنِ ابْنِ شِهَابٍ بِمِنًى فِي حَجَّةِ الْوَدَاعِ.
Narrated `Abdullah bin `Abbas:I came riding on my she-ass and had (just) then attained the age of puberty. Allah's Messenger (ﷺ) was praying at Mina. I passed in front of a part of the first row and then dismounted from it, and the animal started grazing. I aligned with the people behind Allah's Messenger (ﷺ) (The sub-narrator added that happened in Mina during the Prophet's Hajjat-al-Wada)
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 28:37