The phrase "numerous leaks" means that there have been multiple instances where something (like information or liquid) has escaped or become known to the public without permission. Full definition
These two have already appeared in numerous leaks, with claims that they will actually carry the same hardware specs. (nashvillechatterclass.com)
While there are already numerous leaks about both the devices, now we got the latest information about the Moto G5 Plus. (phoneradar.com)
As confirmed by numerous leaks prior to the official announcement, the new devices mostly retain the same design language of its predecessors. (sammobile.com)