Heap-based buffer overflow in the Java Runtime Environment (JRE) component in Oracle Java SE 7 Update 17 and earlier and JavaFX 2.2.7 and earlier allows remote attackers to execute arbitrary code via unspecified vectors related to JavaFX, as demonstrated by VUPEN during a Pwn2Own competition at CanSecWest 2013.
The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.