Buffer overflow in lbreakout2 allows local users to gain 'games' group privileges via a large HOME environment variable to (1) editor.c, (2) theme.c, (3) manager.c, (4) config.c, (5) game.c, (6) levels.c, or (7) main.c.
Buffer overflow in LTris 1.0.1 of FreeBSD Ports Collection 2003-02-25 and earlier allows local users to execute arbitrary code with gid "games" permission via a long HOME environment variable.