The Array.prototype.concat implementation in builtins.cc in Google V8, as used in Google Chrome before 49.0.2623.108, does not properly consider element data types, which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via crafted JavaScript code.
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"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2016-1646.json"