Buffer overflow in Mozilla products - CVE-2025-14322
Published: December 9, 2025
Vulnerability identifier: #VU119409
CSH Severity: High
CVSS v4.0: 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-2025-14322
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Firefox ESR
Firefox for Android
Mozilla Firefox
Firefox ESR
Firefox for Android
Detailed vulnerability description
The vulnerability allows a remote attacker to escape sandbox restrictions.
The vulnerability exists due to a boundary error in the Graphics CanvasWebGL component. A remote attacker can trick the victim into visiting a specially craft6ed website, trigger memory corruption and escape sandbox restrictions.
How to mitigate CVE-2025-14322
Install updates from vendor's website.