If you are using the latest version of Firefox, you should update it immediately to avoid 0-day attacks.
Incorrect alias information
According to the report, the vulnerability defined as, incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type of confusion. It means the vulnerable component can be exploited by a remote attacker by tricking the user into visiting a malicious web page to execute the arbitrary code on the system within the context of the application. The vulnerability was reported by the cybersecurity researchers at Qihoo 360 ATA.