CVE-2013-6640: Google Chrome

High severity, CVSS 7.5. EPSS: 1.8% chance of exploitation in the next 30 days.

The DehoistArrayIndex function in hydrogen-dehoist.cc (aka hydrogen.cc) in Google V8 before 3.22.24.7, as used in Google Chrome before 31.0.1650.63, allows remote attackers to cause a denial of service (out-of-bounds read) via JavaScript code that sets a variable to the value of an array element with a crafted index.

Affected products

• Google Chrome: up to and including 31.0.1650.62; version 31.0.1650.0 only; version 31.0.1650.2 only; version 31.0.1650.3 only; version 31.0.1650.4 only; version 31.0.1650.5 only; …
• Google v8: up to and including 3.22.24; version 3.22.0 only; version 3.22.1 only; version 3.22.2 only; version 3.22.3 only; version 3.22.4 only; …

Published 2013-12-07. Last modified 2026-06-17.