mpeg-tools before 1.5b-r2 creates multiple temporary files insecurely, which allows local users to overwrite arbitrary files via (1) ts.stat, (2) ts.mpg, (3) foobar, (4) blockbar, or (5) foobar[NNN].
https://bugs.gentoo.org/show_bug.cgi?id=107344
http://www.securityfocus.com/bid/15002
http://www.gentoo.org/security/en/glsa/glsa-200510-02.xml