CVE-2025-11215: 
vulnerability analysis and mitigation

An off by one error vulnerability was discovered in the V8 engine of Google Chrome prior to version 141.0.7390.54. The vulnerability, identified as CVE-2025-11215, was reported by Google Big Sleep on August 19, 2025, and was officially addressed in the September 30, 2025 stable channel update (Chrome Release).

The vulnerability is classified as a Medium severity issue that allows remote attackers to perform an out of bounds memory read through a specially crafted HTML page. The CVSS score for this vulnerability is 4.0 (AV:N/AC:M/Au:N/C:P/I:N/A:N), indicating network accessibility with medium attack complexity (Rapid7).

The vulnerability could potentially lead to information disclosure through out of bounds memory reads when exploited successfully. This affects not only Google Chrome but also other Chromium-based browsers like Microsoft Edge (Rapid7).

The vulnerability has been fixed in Chrome version 141.0.7390.54 and later versions. Debian has also addressed this in their security update DSA-6016-1, providing fixes for both bookworm (141.0.7390.54-1~deb12u1) and trixie (141.0.7390.54-1~deb13u1) distributions (Debian Security).