Ubuntu Security Notice USN-194-1 – Frank Lichtenheld discovered that the texindex program created temporary files in an insecure manner. This could allow a symlink attack to create or overwrite arbitrary files with the privileges of the user running texindex.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/40485/USN-194-1.txt
Source: https://packetstormsecurity.com/files/40485/Ubuntu-Security-Notice-194-1.html