Today, Mozilla Firefox released Firefox 67.0.3 and Firefox ESR 60.7.1 to patch an actively exploited vulnerabilities, it’s noted that this is a Critical Level of vulnerabilities which could allow attackers to remotely execute arbitrary code on machines running vulnerable versions of Firefox.
Mozilla is currently aware of many targeted attacks in the wild abusing this flaw which in turn could allow attackers to gain control of their victim’s computer.
Workaround: Update to the latest version of Mozilla Firefox.
Should you feel that you’re a victim of this attack. Feel free to contact us at firstname.lastname@example.org for a prompt resolution to this attack.