v8::internal::JSObject::SetAccessor does not check if the receiver is extensible before adding a new property. A potential attacker can exploit the ability to extend non-extensible objects to achieve arbitrary code execution inside the renderer process. Google Chrome version 113.0.5672.63 is affected.
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Google Chrome version 112.0.5615.137 and Chromium version 115.0.5737.0 suffer from a type confusion vulnerability in v8::internal::Object::SetPropertyWithAccessor.
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