Node.js v0.6.6.7 has announced the settlement of the hash collision leak.
But they just fix the leak of string hash. The number hash leak still exist.

This is another independent patch to fix the leak (both string hash and
number hash) based on original v8 v3.6.6.15 source code.

1. download node v0.6.6.7 source code [http://nodejs.org/dist/v0.6.7/node-v0.6.7.tar.gz]
2. tar xzvf node-v0.6.7.tar.gz
3. rm -rf node-v0.6.7/deps/v8/*
5. download v8 v3.6.6.15 source code [https://github.com/v8/v8/zipball/3.6]
6. extract files from v8 source code zip file to node-v0.6.7/deps/v8
7. download this patch [https://github.com/xibei/v8-patch-for-hash-collision-leak/blob/master/node-v0.6.7-hash.patch]
8. patch v8 source code
9. configure/make/make install node