In the industry, this would be referred to as crisis communications
Crisis communication is a sub-specialty of the public relations
profession that is designed to protect and defend an individual,
company, or organization facing a public challenge to its reputation
After our products were found to spontaneously explode, we had to
engage in crisis communications.
Furthermore, the communication itself could be referred to as a crisis statement, or simply a statement. Sometimes it can also be called a holding statement.
The company released a crisis statement after their products began