MySQL before 5.1.46 allows local users to delete the data and index files of another user's MyISAM table via a symlink attack in conjunction with the DROP TABLE command, a different vulnerability than CVE-2008-4098 and CVE-2008-7247.
The mysqluninstallplugin function in sql/sqlplugin.cc in MySQL 5.1 before 5.1.46 does not check privileges before uninstalling a plugin, which allows remote attackers to uninstall arbitrary plugins via the UNINSTALL PLUGIN command.