CVE-2025-7656: 
vulnerability analysis and mitigation

Integer overflow vulnerability (CVE-2025-7656) was discovered in the V8 engine of Google Chrome. The vulnerability was reported on June 17, 2025, by security researcher Shaheen Fazim and was publicly disclosed on July 15, 2025. This high-severity flaw affects Google Chrome versions prior to 138.0.7204.157 across Windows, Mac, and Linux platforms (Chrome Release).

The vulnerability is characterized as an integer overflow in the V8 JavaScript engine of Google Chrome that could potentially lead to heap corruption when triggered via a specially crafted HTML page. The vulnerability has been assigned a CVSS v3.1 base score of 8.8 (High) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. The flaw is classified under CWE-472 (External Control of Assumed-Immutable Web Parameter) (NVD).

The vulnerability could allow remote attackers to potentially exploit heap corruption through specially crafted HTML pages. Given the high CVSS score and the nature of the vulnerability, successful exploitation could lead to arbitrary code execution within the context of the browser (Help Net Security).

Google has released version 138.0.7204.157/.158 for Windows and Mac, and version 138.0.7204.157 for Linux to address this vulnerability. Users are advised to update their Chrome browsers to these versions or later. The update will be rolled out over the coming days and weeks (Chrome Release).