Unspecified vulnerability in Cisco IOS 12.2SXA, SXB, SXD, and SXF; and the MSFC2, MSFC2a and MSFC3 running in Hybrid Mode on Cisco Catalyst 6000, 6500 and Cisco 7600 series systems; allows remote attackers on a local network segment to cause a denial of service (software reload) via a certain MPLS packet.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5869
https://exchange.xforce.ibmcloud.com/vulnerabilities/32748
http://www.vupen.com/english/advisories/2007/0782
http://www.securitytracker.com/id?1017709
http://www.cisco.com/warp/public/707/cisco-sa-20070228-mpls.shtml