The metadata flow feature in Cisco IOS 15.1 through 15.3 and IOS XE 3.3.xXO before 3.3.1XO, 3.6.xS and 3.7.xS before 3.7.6S, and 3.8.xS, 3.9.xS, and 3.10.xS before 3.10.1S allows remote attackers to cause a denial of service (device reload) via malformed RSVP packets, aka Bug ID CSCue22753.
Improper Restriction of Operations within the Bounds of a Memory Buffer The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary.