The Gunners can still qualify for the Europa League if they win the FA Cup for a record-extending 14th time.
This update confirms that Mustafi will miss the FA Cup final as well as the start of the 2020-21 Premier League season, which is slated to begin on September 12.
The absence of Mustafi will present an opportunity for Rob Holding to stake a claim for a cup final spot.
Aubameyang scored a brace to help Arsenal get the better of Manchester City in the FA Cup semi-final on Saturday.
Arsenal will face Chelsea or Manchester United, who meet in the other semi-final on Sunday, in the final at Wembley on August 1.
Arsenal faced a 2-1 defeat despite taking a lead through Alex Lacazette's brilliant strike in the 16th minute.
Arteta was talking about a clash between Vardy and Mustafi where the Leicester striker struck the Arsenal defender with a boot just above the eye.
The 19-year-old Brazilian forward put pen to paper on his new deal exactly one year after he joined the Gunners.
Arsenal are at the tenth spot with 40 points in 30 games and will next face Southampton on Thursday, June 25.
Arsenal witnessed a 3-0 defeat against Manchester City, their first game after the resumption. On Saturday, the Mikel Arteta's side was beaten by Brighton 2-1.
However, the players will have to adhere to the social distancing norms.
The Premier League has been suspended indefinitely due to strict government guidelines to control the spread of coronavirus.
Manchester United midfielder Paul Pogba idolised Thierry Henry and wanted to follow the footsteps of the countryman.
The 24-year-old Lucas Torreira on March 3 fractured his ankle against Portsmouth in FA Cup clash.
Dr Sogut's statement brings relief to Gunner fans after there were speculations about Ozil making a switch to US-based Major League Soccer with DC United.