Vulnerability in FreeBSD

Today a message was published about a vulnerability that could allow elevating user privileges in the latest versions of FreeBSD (7.1-8.0). An exploit for vulnerability without warning was released yesterday. On the mailing lists you can find a description and a patch. An official update for the system is expected only tomorrow.
The vulnerability arises in the use of LD variables belonging to files with an assigned UID (ping, ppp, su).