Vulnerability identifier: #VU52342
Vulnerability risk: Low
Exploitation vector: Network
Exploit availability: No
The vulnerability allows a remote attacker to crash the application.
The vulnerability exists due to the WebAssembly JIT miscalculates the size of a return type, which leads to a null read. A remote attacker can create a specially crafted web page, trick the victim into visiting it and crash the browser.
Note, the vulnerability affects 32-bit platforms only.
Install updates from vendor's website.
Vulnerable software versions
Mozilla Firefox: 60.0 - 87.0
Firefox ESR: 78.0 - 78.9.0, 68.0 - 68.12.0, 60.0 - 60.9.0
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?