Stack-based buffer overflow in the demux_nsf_send_chunk function in src/demuxers/demux_nsf.c in xine-lib 1.1.12 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long NSF title.
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.