Lorenz Hipp discovered a flaw in exuberant-ctags handling of the tag filename command-line argument. A crafted tag filename specified in the command line or in the configuration file could result in arbitrary command execution.
1:5.9~svn20110310-11ubuntu0.11:5.9~svn20110310-12ubuntu0.11:5.9~svn20110310-16ubuntu0.22.04.11:5.9~svn20110310-11ubuntu0.1~esm1