#VU88656 Use-after-free in Mozilla Firefox and Firefox for Android - CVE-2024-3856

 

#VU88656 Use-after-free in Mozilla Firefox and Firefox for Android - CVE-2024-3856

Published: April 17, 2024


Vulnerability identifier: #VU88656
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2024-3856
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Mozilla Firefox
Firefox for Android
Software vendor:
Mozilla

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error during WASM garbage collection. A remote attacker can trick the victim to visit a specially crafted website and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.


Remediation

Install updates from vendor's website.

External links