Stack-based buffer overflow in Apple QuickTime Player 7.5.5 and iTunes 8.0.2.20 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a MOV file with "long arguments," related to an "off by one overflow."
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.