Vulnerability identifier: #VU55680
Vulnerability risk: High
Exploitation vector: Network
Exploit availability: No
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary condition when treating inline list-item element as a block element. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger an out-of-bounds read error and execute arbitrary code on the system.
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 60.0 - 90.0.2
Firefox ESR: 78.0 - 78.13.0, 68.0 - 68.12.0, 60.0 - 60.9.0
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?