On Saturday 25 July 2009 23:35:57 you wrote:
> SVN commit 1002473 by kkofler:
>
> Fix integer overflow in KJS JavaScript garbage collector (CVE-2009-1687).
> Patch adapted from WebKit changeset 41854 by Geoffrey Garen. FIXME: This
> will still crash (as in the WebKit commit), so you can still DoS the
> browser, but at least the overflow is not exploitable anymore. Backport
> revision 1002471 from trunk.

I do not believe this overflow is possible in KJS --- see KJS_MEM_LIMIT.