Cisco Security Advisory – Cisco IOS software configured for IOS firewall Application Inspection Control (AIC) with a HTTP configured application-specific policy are vulnerable to a Denial of Service when processing a specific malformed HTTP transit packet. Successful exploitation of the vulnerability may result in a reload of the affected device. Cisco has released free software updates that address this vulnerability.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/70286/cisco-sa-20080924-iosfw.txt
Source: https://packetstormsecurity.com/files/70286/Cisco-Security-Advisory-20080924-iosfw.html