Integer overflow in Mozilla Firefox and Firefox for Android - CVE-2025-11152

 

Integer overflow in Mozilla Firefox and Firefox for Android - CVE-2025-11152

Published: October 1, 2025


Vulnerability identifier: #VU116217
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-2025-11152
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Mozilla
Affected software:
Mozilla Firefox
Firefox for Android

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in the Graphics: Canvas2D component. A remote attacker can trick the victim into visiting a specially crafted website, trigger an integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


How to mitigate CVE-2025-11152

Install updates from vendor's website.

Sources