I ran the numbers and vulnerabilities in browsers are up this year, as is their severity. We know more about this for Internet Explorer because Microsoft provides the most data.
Distribution Release: Q4OS 0.5.20
Q4OS 0.5.20, a lightweight and minimalist desktop Linux distribution featuring the Trinity desktop (a fork of KDE 3.5) and based on Debian GNU/Linux 7, has been released: “Significant update 0.5.20 of Q4OS is out. The essential new feature is the KDE 4 desktop integration into Q4OS system.”
Read more at DistroWatch

