vnc console: Is there a massive memory leak

Hi all,

I have recently noticed that when I start a vnc console, this also applies if I close it, and leave the browser open for several hours the memory usage grows enormously up to a point where the computer gets unresponsive. I have verified it with both firefox and google chrome.

java version "1.6.0_38"
Java(TM) SE Runtime Environment (build 1.6.0_38-b05)
Java HotSpot(TM) 64-Bit Server VM (build 20.13-b02, mixed mode)

google-chrome --version
Google Chrome 24.0.1312.52

iceweasel --version
Mozilla Iceweasel 10.0.12