acroread -- buffer overflow vulnerability

An Adobe Security Advisory reports:

A vulnerability within Adobe Reader has been
identified. Under certain circumstances, remote
exploitation of a buffer overflow in Adobe Reader could
allow an attacker to execute arbitrary code.
If exploited, it could allow the execution of arbitrary
code under the privileges of the local user. Remote
exploitation is possible if the malicious PDF document is
sent as an email attachment or if the PDF document is
accessed via a web link.