mod_php and php should be updated to version 5.0.4 . Reproducible: Always Steps to Reproduce:
The new release was already mentioned in bug 87471 but http://bugs.gentoo.org/show_bug.cgi?id=87517#10 seems to indicate 5.0.x is on the back burner and unlikely to be updated soon.
*** This bug has been marked as a duplicate of 87471 ***