cPanel/WHM has had a new build today, but EAccelerator hasn't been updated even though it's been fixed.
#368 (hung httpd threads with high page request rates) - eAccelerator - Trac
I've found a blog post that describes how to install an older version but it looks complicated.
SolidServers.ca Blog Archive Downgrading eAccelerator – cPanel
Just checked on the Trac website and 0.9.6 has gone gold.