Cisco IOS contains a flaw that may allow a remote denial of service. When a BGP neighbor session has been established an error may occur during the handling of BGP attributes, which may result in the BGP session being reset.
Remote / Network Access
Denial of Service
Loss of Availability
Upgrade to the version specified in the vendor advisory or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.