An exuberant-ctags security update has been released for Debian 6 LTS

Package : exuberant-ctags
Version : 1:5.8-3squeeze2
CVE ID : CVE-2014-7204
Debian Bug : 742605

Stefano Zacchiroli discovered that certain JavaScript input files cause
ctags to enter an infinite loop until it runs out of disk space. This
update fixes the JavaScript parser.