此扩展会导致Firefox 11无法正常结束进程 Rated 1 out of 5 stars

xp系统,火狐11正式版,安装了这个扩展,单击火狐的退出,会导致进程无法自行结束,内存飙升,cpu 100%;存在内存溢出漏洞,请尽快验证修复。
(on windows xp, firefox 11. Use this addon, then click firefox exit menu, you will see 'firefox.exe' process cannot proper stop over itself, the memory will soaring, and CPU 100%;
There are some memory overrun vulnerabilities, please verify repair as soon as possible.