Cisco Security Advisory – The Cisco ACE Application Control Engine Module and Cisco ACE 4710 Application Control Engine contain denial of service vulnerabilities during RTSP, HTTP, RTSP, and Session Initiation Protocol (SIP) inspection and SSL.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/92711/cisco-sa-20100811-ace.txt
Source: https://packetstormsecurity.com/files/92711/Cisco-Security-Advisory-20100811-ace.html