Memory leak cause of Comcast DNS problems

Not to my knowledge, or at least, none that has been
publicly acknowledged.

From a Washington Post article yesterday (posted via Yahoo!

News), Comcast said that the problem manifested itself when
they were in the process of upgrading their DNS servers:

- ferg

So, 'wide scale' because they, presuming of course the article is on the
level, upgraded all devices at approximately the same time...