What I find troubling is that I don't seem to find anything resembling the transaction malleability issue on the 'official' list of weaknesses.
Am I just missing it?
eh, the transaction malleability issue doesn't really affect people who wait for confirmation in the blockchain. Here's the wiki link:
https://en.bitcoin.it/wiki/Transaction_MalleabilityOnce a few block confirms happen it's all gravy.