Yahya bin Saeed reported,

Muhammad bin Abdullah bin Ubayd bin Umayr al-Laythi was mentioned in his presence, and he weakened him severely.Yahya was asked, "Is he weaker than Yaqub bin Ata?"He replied, "Yes."Then he said, "I never thought anyone would narrate from Muhammad bin Abdullah bin Ubayd bin Umayr."

Muslim 91

Sahih

وحدثني عبد الرحمن بن بشر العبدي، قال سمعت

يحيى بن سعيد القطان

ذكر عنده محمد بن عبد الله بن عبيد بن عمير الليثي فضعفه جدا. فقيل ليحيى أضعف من يعقوب بن عطاء قال نعم. ثم قال ما كنت أرى أن أحدا يروي عن محمد بن عبد الله بن عبيد بن عمير.

مسلم 91صحيح
Contents
Reference
Commentary
Ayat
Collection
Sahih Muslim
Book
Introduction
Chapter
Exposing the faults of hadith narrators and transmitters of reports, and the statements of the imams regarding that
Numbering
Darussalam 91
Muslim 91