ID:12374 - Exploit for Use-after-free in Mozilla products - CVE-2025-14321
Published: February 6, 2026
Mozilla Firefox
Firefox for Android
Firefox ESR
Link to public exploit:
Vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the the WebRTC Signaling component. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.