The memory leak may also be used in a larget attack on your machine, e.g. side-channel attack.
Interesting, it looks like I made quite a mistake. Thanks for clearing this up.
Price wise it seems this had a midterm positive effect with ETH now 1% higher than 24 hours ago. This could be driven by the fast analysis of the problem and euphoria for devcon.
Effective development is usually well received by the market. If it's in conjunction with other good news - even better.
But we'll see for real what actually happened on the markets only at the end of the day.