Cisco Security Advisory – Multiple buffer overflow vulnerabilities exist in the Cisco WebEx Recording Format (WRF) Player. In some cases, exploitation of the vulnerabilities could allow a remote attacker to execute arbitrary code on the system of a targeted user.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/83934/cisco-sa-20091216-webex.txt
Source: https://packetstormsecurity.com/files/83934/Cisco-Security-Advisory-20091216-webex.html