Bulugh al-Maram, Book 3, Hadith 66 (In-Book)

At-Tirmidhi Related a similar narration on the authority of Al-Mughirah bin Shu’bah, and he added, "Thus you will be offending the living (i.e. if you curse their dead)."

وَرَوَى اَلتِّرْمِذِيُّ عَنِ اَلمُغِيرَةِ نَحْوَهُ, لَكِنْ قَالَ: { فَتُؤْذُوا الْأَحْيَاءَ } 1‏.‏ ‏1 ‏- صحيح.‏ رواه الترمذي ( 1982 )‏.‏

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also referenced under: Book 3, Hadith 622 (English)