Use-after-free in Mozilla Firefox and Firefox for Android - CVE-2025-14860
Published: December 18, 2025
Vulnerability identifier: #VU120199
CSH Severity: High
CVSS v4: 8.6 [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]
CVE-ID: CVE-2025-14860
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the Disability Access APIs component. A remote attacker can trick the victim into visiting a specially crafted website and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Affected software
Mozilla Firefox
Firefox for Android
Firefox for Android
How to mitigate CVE-2025-14860
Install updates from vendor's website.
Mozilla Firefox - update to 146.0.1
Firefox for Android - update to 146.0.1
Firefox for Android - update to 146.0.1