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.
https://exchange.xforce.ibmcloud.com/vulnerabilities/15229
http://www.debian.org/security/2004/dsa-445
http://security.debian.org/pool/updates/main/l/lbreakout2/lbreakout2_2.2.2-1woody1.diff.gz