I created https://jira.jboss.org/jira/browse/JBWEB-119 to track what version the fix is in. The jbossweb version in jbossas 4.2.2.GA was 2.0.1.GA. You could try the 2.1.0.GA from:
Thanks for the info!
This may seem like a stupid question, but how do I install a newer version of JBoss Web over the version in JBoss AS? I was unable to find a directory tree similar between the two applications to simply write over the old files.