Vulnerability identifier: #VU48235
Vulnerability risk: High
Exploitation vector: Network
Exploit availability: Yes
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing HTML content, caused by MCallGetProperty opcode write side effects. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 60.0 - 82.0.2
Firefox ESR: 78.0 - 78.4.0, 68.0 - 68.12.0, 60.0 - 60.9.0
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?