Steve Kemp discovered several buffer overflows in xbl, a game, which can be triggered by long command line arguments. This vulnerability could be exploited by a local attacker to gain gid 'games'.
For the stable distribution (woody) this problem has been fixed in version 1.0k-3woody1.
For the old stable distribution (potato) this problem has been fixed in version 1.0i-7potato1.
For the unstable distribution (sid) this problem is fixed in version 1.0k-5.
We recommend that you update your xbl package.
MD5 checksums of the listed files are available in the original advisory.