stack overflow at line 68 ....... on ebay.......SORTED

[#1]

I'm getting 2-3 of these everytime I use ebay, started this morning, seems I'm not alone.
http://community.ebay.co.uk/topic/Seller-Central/Stack-Overflow-Line/1700115509
anyone else having the same issue?
edit:- Microsoft security essentials had disabled and quarantined the latest Java update, said it was a security risk

[#2]

My copy of Security Essentials has no problem whatsoever with Java 7u13 - perhaps you got hit by a fake Java update popup?