This just in from the folks at Cisco:
A vulnerability exists in the Cisco Firewall Services Module (FWSM) – a high-speed, integrated firewall module for Cisco Catalyst 6500 switches and Cisco 7600 Series routers, that may result in a reload of the FWSM. The only affected FWSM System Software Version is 3.2(3).
There are no known instances of intentional exploitation of this issue. However, Cisco has observed data streams that appear to be unintentionally triggering this vulnerability.
Common Vulnerabilities and Exposures (CVE) identifier CVE-2007-5584 has been assigned to this vulnerability.
Cisco will release free software updates that address this vulnerability.
A workaround that mitigates this vulnerability is available.
The advisory can be found here. As well as the .pdf verison.
[tags]Cisco Firewall, Cisco Vulnerability, Cisco Firewall Services[/tags]