Stack-based buffer overflow in the sub_read_line_sami function in subreader.c in MPlayer, as used in SMPlayer 0.6.9, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long string in a SAMI subtitle file.
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.