CVE-2025-11206: 
vulnerability analysis and mitigation

A heap buffer overflow vulnerability (CVE-2025-11206) was discovered in the Video component of Google Chrome versions prior to 141.0.7390.54. The vulnerability was reported by security researcher Elias Hohl on September 12, 2025, and was assigned a high severity rating (Chrome Releases, Debian Security).

The vulnerability is classified as a heap buffer overflow in the Video component of Chrome with a CVSS score of 7.0 (AV:N/AC:M/Au:N/C:P/I:P/A:P). The issue affects multiple versions of Chrome and Chromium-based browsers, including Microsoft Edge. The vulnerability was deemed serious enough to warrant a $4,000 bounty reward through Chrome's bug bounty program (Rapid7, Chrome Releases).

The vulnerability could allow a remote attacker to potentially perform a sandbox escape via a crafted HTML page, which could lead to unauthorized access and potential system compromise. The high severity rating indicates significant potential impact on the confidentiality, integrity, and availability of affected systems (Debian Security).

Google has released version 141.0.7390.54 of Chrome to address this vulnerability. The fix has been incorporated into Chromium-based browsers, including Microsoft Edge. Users are advised to update their browsers to the latest version. For Debian systems, fixed versions have been released for bookworm (142.0.7444.162-1~deb12u1) and trixie (142.0.7444.162-1~deb13u1) distributions (Chrome Releases, Debian Security).