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.
http://www.openwall.com/lists/oss-security/2011/10/18/12
http://security.gentoo.org/glsa/glsa-201310-13.xml
http://secunia.com/advisories/55486
http://git.mplayer2.org/mplayer2/commit/?id=27b88a09c5319deb62221b8cd0ecc14cd1136e4a